Immune to Fire

"It is fascinating. The reds continue through the flames, completely oblivious to any Pikmin burning around them..."

"He was no dragon. Fire cannot kill a dragon."

— Daenerys Targaryen, Game of Thrones

Most creatures find burning to be something of a problem, and thus cannot safely interact with fire, burning objects or combustible materials. Some, however, find themselves entirely immune to the effects of fire, and unable to be harmed by either direct contact with flames or scorching temperatures. Unlike more combustible personages, they may freely walk into infernos, handle burning objects or stride across lava fields no worse for the wear.

This may be either an innate or acquired characteristic. In the first case, it's usually associated with characters and creatures with fire-based Elemental Powers, Breath Weapons, and the like, because the flames usually come out of their own bodies and this is a Required Secondary Power to avoid being burned alive whenever they throw out fireballs. It is also usually associated with creatures found in very high-temperature environments, such as volcanoes or the fiery pits of Hell, for the same reasons. In the second case, this ability may be granted by special protective clothing, Magic Potions and the like, granting characters the ability to temporarily venture into environments where they'd otherwise burn alive.

The inverses are Weak to Fire and Kill It with Fire, where burning something is the best way to get rid of it, Man on Fire, in which people burn easily, and Made of Incendium, in which something burns really easily. Due to fire's common use as a weapon, this is very, very prone to being an Exploited Immunity. Someone with this power may walk dramatically Out of the Inferno. If it's able to catch fire but that just makes it more of a problem, that's Infernal Retaliation, and if being on fire just makes someone look cool, that's Incendiary Exponent. When a character is not only immune to fire and heat but actively strengthened by them, that's Feed It with Fire. In the case of fire-based creatures with fire immunity, this overlaps with Like Cannot Cut Like.

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Examples:

Anime & Manga

• Fairy Tail: Natsu Dragneel uses fire-based Full-Contact Magic as his primary weapon. As a result, he's completely immune to fire, as a Required Secondary Power. The only times he's ever been injured by flames are against the Flame God Slayer Zancrow, whose divine flames had the unique property of countering Natsu's, and against Wizard King August, who basically dropped a Fantastic Nuke of Fire Dragon Slayer Magic since he copied Natsu's magic. Even then, in both these cases Natsu still has incredible resistance against their attacks that would have incinerated just about anyone else.
• Moldiver: Since the titular suit's outerwear is made out of a molecular level, it is invulnerable to fire and heat among other things. In the episode "Overzone", Mirai Ozora uses this immunity to her advantage when Jennifer throws the former into the Akron's engines, only for Mirai to bust out of one of the solid rocket boosters seconds later.
• Yona of the Dawn: Zeno's power is revealed to the rest of the team when he's caught in a housefire: his skin hardens to scales and he becomes invulnerable to everything, but the problem is that it takes a lot of damage to activate it, and he doesn't become immune to pain.

Asian Animation

• BoBoiBoy Galaxy: Roktaroka, from the planet Volcania, is made out of volcanic rock. He seeks revenge on BoBoiBoy for (accidentally) destroying his house. None of the hero's Elemental Powers work against him, not even fire attacks, to which Roktaroka responds as if he's getting a sauna treatment. BoBoiBoy has to re-unlock his water elemental to defeat him.

Comic Books

• Ghost Rider: The Ghost Rider is immune to fire by dint of being the host of a Spirit of Vengeance and a wielder of Hellfire.
• Judge Dredd: Judge Fire projects constant fire from his body, making him naturally immune. Notably, his fellow Dark Judges lack this ability and are vulnerable to the Lawgiver's incendiary bullets.
• In Superman story arc The Leper from Krypton, the Flammbronians are an alien race who can live in stars thanks to be naturally and completely impervious to fire and heat.
• Wonder Woman:
  • One of Wonder Woman's lesser-used powers is "sisterhood with fire" that grants her immunity to fire and heat. In one battle, she's knocked into a pool of lava and simply walks out smiling.
  • Wonder Woman Historia: The Amazons: One of the founding Amazon tribes that worship Hestia has all its members as immune to fire.

Fan Works

• The Bridge: Anguirus is immune to fire, which he exploits to kill Jeog by dragging her into a burning cabin and holding her until she dies.
• Dungeon Keeper Ami: There are fire immunity enchantments that protect the object they're applied to from being set on fire. Ami uses them on her crops so that they can tolerate greater intensities of sunlight.
• Not the intended use (Zantetsuken Reverse): Fire immunity is the Required Secondary Power the Suou brothers have to compliment their main Playing with Fire moveset. The tend to use the immunity a lot more than the actual flames; for example Katsuya uses it to avoid getting burned when baking.

Films — Animation

• The Incredibles: One of the licensed comics reveals that Jack-Jack is impervious to fire, as a side effect of his fire powers.

Films — Live-Action

• Hellboy (2004): Hellboy is fireproof, which he uses to his advantage when fighting other demons that aren't so resistant, and also helps his relationship with his pyrokinetic girlfriend.
• The Hobbit: The Desolation of Smaug: Smaug is an ancient, colossal fire-breathing wyrm, and as such he can't be harmed by flames. The dwarves manage to submerge the dragon in molten gold at one point, and although it may potentially have drowned him, it only manages to royally piss him off when he emerges, clearly unharmed by the scorching heat.

Literature

• Air Awakens: Firebearers, sorcerers whose Affinity is fire, are immune to flames and heat.
• Circle of Magic: Smith mages like Daja and Frostpine can walk through flames unscathed. However, it's mentioned that not every fire mage has immunity to fire and even less have immunity to smoke. It's also not a blanket immunity to heat overall: Daja is still vulnerable to lava since it's not used in smithing.
• The Daevabad Trilogy: As embodiments of fire, the djinn aren't affected by heat or flame, although magical rumi fire was specially created to bypass this. They can use this as an Exploited Immunity, superheating their surroundings to burn non-immune enemies.
• Enchanted Forest Chronicles: In book 1 (Dealing With Dragons), Princesses Cimorene and Alianora cast a spell to make themselves immune to fire, so as to keep from being accidentally burned by the dragons holding them captive.^note holding Alianora captive; Cimorene volunteered to be a dragon's princess The initial casting requires a ritual, but renewing it when it wears off takes only a simple rhyme and a pinch of feverfew. This gets a callback in Calling on Dragons, which also introduces fire witches, who are likewise immune to fire.
• The Five Chinese Brothers: Each brother has a unique power, and the fourth's is that he is immune to burning.
• The Future is Wild: The scales covering the South American Rattleback's back allow it to even deal with fire without issue by simply hunkering down as the flames go over them.
• Going Postal: Golems are made of ceramic, and thus can survive exposure to intense heat with minimal issues.
• Princesses of the Pizza Parlor: From episode one, Selvi's "drake-scale armor", which does give fire resistance, as seen in episode five, but at that point, it's only indicated by:
  Uncle: If a monster's shooting fire at you, hide behind Princess Selvi.
• A Song of Ice and Fire: The Targaryen dynasty is known to have fire resistance, but how strong this resistance is varies from person to person. Daenerys, for example, is completely immune to any heat, but her brother Viserys dies from having molten gold poured on his head.
• The Three Minute Universe: A race of Brown Note Beings called Sackers are able to effortlessly walk naked through fires that would kill any unprotected human. This is owing to their naturally high body heat that can cause second degree burns from a casual touch.

Live-Action TV

• The Flash (2014): Firestorm and his components are all immune to fire, by extension of being able to generate it from his body.
• Game of Thrones:
  • Daenerys Targaryen is immune to fire, something she first shows by walking into a raging bonfire to hatch her dragons. She later makes clever use of the ability by setting a Dothraki building on fire while she and a group of her enemies are locked inside of it. They all die, while she walks out of the blaze with her clothes burned off but otherwise unharmed.
  • The Night King is completely immune to heat and fire, being An Ice Person. Even when Daenerys has Drogon breathe dragonfire directly onto him, he is completely unharmed when it ends, and even gives Daenerys the tiniest smirk in response.
• House of the Dragon: King Viserys Targaryen puts a hand over burning candles without suffering from a burn.
• What We Do in the Shadows (2019): In "Gail", energy vampire Colin Robinson sets himself on fire with gasoline to prank Laszlo, revealing that he is in fact immune to it.
  "Just kidding. I'm fine. I'm fine. Just a little fire."

Tabletop Games

• Demon: The Fallen: Some demons, especially ones who have the Visage of the Flames, are immune to fire when in their Apocalyptic Form.
• Dungeons & Dragons has many monsters with immunity to specific elemental attacks. Of note is that the game makes a distinction between natural, magical and Hellfire, and a being immune to one is not necessarily immune to all the others. Many of them also pay this with a vulnerability to cold.
  • Fire elementals, including efreets and salamanders, are generally immune to fire in order to endure the immense temperatures of their home plane. Devils are also universally immune to fire.
  • Crysmals are immune to fire damage, due to being made out of non-combustible crystal.
  • Dragons are immune to the same element employed by their Breath Weapon, making the various fire-breathing kinds immune to fiery attacks.
  • This same immunity extends to half-dragons. Edition 3.5 has the Bloodlines rules for characters more distantly related to such creatures, and some have increasing resistance to fire as they gain level (although only major gold dragon, red dragon or efreeti bloodlines gain full immunity, and only at 20th level).
  • Fire giants, and other creatures with the [fire] descriptor, are also immune to fire without necessarily being elementals, outsiders or having other fire-related powers.
  • A high-level Cleric of the Forge becomes immune to fire-based damage.
• Exalted: As one of their anima powers, Dragon-Blooded of the fire aspect can make themselves temporarily immune to mundane environmental fires.
• Hunter: The Vigil: The Lucifuge, mortals descended from demons, can use the Forged in Fire Castigation to become immune to heat exposure for a limited time (represented as a single scene in-game). This does not extend to tools, clothing or armor, however, and the Hunter will still want to avoid having lungs filled with ash and heated air once the Castigation wears off.
• In Nomine:
  • Ofanim devoted to Gabriel, the Archangel of Fire, are immune to damage caused by heat, radiation, or electricity. Any excess such energy affecting their physical vessels is redistributed across the world, usually in areas such as the Sun where a little more heat has little impact.
  • Servants of Belial elevated to the rank of Baron cannot be harmed by any kind of heat, and can temporarily pass this immunity to other beings by touch.
• Pathfinder:
  • Elementals from the Plane of Fire are immune to burning damage as part and parcel of being flame made flesh.
  • Flytrap leshys are resistant to fire damage, allowing them to more easily control wildfires as part of their duties.
• Sentinels of the Multiverse: Ra's Flesh of the Sun God power makes him immune to fire, and can be used to make the entire team immune to fire for a turn with a power use.
• Warhammer 40,000: In 2nd edition, the Avatar of Khaine is completely immune to both flame and melta-weapons — essentially futuristic napalm-based flamethrowers.

Toys

• BIONICLE: As a rule, fire-element Toa can tolerate flames and extreme heat due to their Required Secondary Power, and could possibly survive submerging in lava for a few seconds. Vakama is even shown jumping into a vat of glowing-hot molten metal in his character animation and one of Tahu's favored pastimes is surfing on molten rock. When his powers are stolen by the Bohrok-Kal, he becomes susceptible to high temperatures and burns.

Video Games

• The Binding of Isaac: Some enemies, such as Clotties, take no damage from fireplaces found in the various dungeons. They will instead turn to feiry versions that are often stronger. For player convenience, fire attacks from Isaac will still hurt them, to prevent certain items from being completely useless against them.
• Bug Fables:
  • Downplayed with the Flame Brooch bestowed upon Team Snakemouth by Queen Vanessa in the penultimate chapter. It provides protection against flames, thus giving them the chance to fight the Wasp King without facing instant defeat, but it doesn't make them completely immune to flames; instead, it simply makes them survivable enough to prevent them from being One-Hit KO by an attack.
  • In the final chapter, Wasp King activates a malfunctioning stove and, thanks to his crown giving him power over flames, manages to pass through flame pillars unharmed. At least, that's what we were told, since in his boss fight, he shows no sign of immunity to Burn status effect in either of his forms.
• The Castlevania series: If a game has a Monster Compendium, they usually list elemental resistances:
  • Castlevania: Circle of the Moon: Bone Heads take less damage from fire attacks.
  • Castlevania: Harmony of Dissonance: Bone Pillars use fire in their attacks, and they're listed as "Tolerance: Fire".
  • Castlevania: Lament of Innocence: Fire Elementals and Flame Zombies are immune to the fire whip.
• Chantelise: The Blazing Charm provides, in addition to a boost in general defense, a unique protection against fire element attacks.
• Conquests of the Longbow: The Ring That Commands Fire makes its wearer immune to fire. You need it to save Marian when the Abbot tries to have her burned at the stake for witchcraft.
• Disgaea 2: The Dragon unit is immune to any attack that has Fire as an element. It can be upgraded to Elemental Absorption with the Lover Specialist.
• Divinity: Original Sin and Original Sin II: As with other elemental damage types, the player character can temporarily or permanently raise their fire resistance to 100% by stacking Protective Charms like magic armor, flame runes, Magic Potions, and/or protective spells.
• Dungeon Keeper:
  • In the first game, the Demon Spawn, Dragon, Horned Reaper and Hellhound are all capable of easily traversing through Lava without taking any damage. In fact, Dragons can passively gain experience by making lairs near lava.
  • In the second game, Salamanders and their Good Counterparts the Giants are both immune to fire, enabling them to wade through lava unharmed and shrug off the Inferno spell. The Salamander's immunity and personal fire magic are a mythological nod to salamanders as Alchemic Elementals, but no explanation is given for the Giants.
• The Elder Scrolls: There is fire resistance magic that can go to 100%. Fire Atronachs are also immune to fire.
• Epic Battle Fantasy: The fire resistance stat is a percentage that is the amount of reduction on fire element damage. It's possible for it to become high enough to entirely negate or even get healed by fire-based damage.
• Freedom Planet: Fire Shield is one of the five Elemental Shields that are available to the player. It protects the character against fire-based attacks and obstacles, leaving them unharmed, but immediately disappears as soon as the player enters the water.
• FTL: Faster Than Light: The rockmen have fire immunity as one of their strong points. While others put out fires with extinguishers, rockmen put them out by stomping on them. If you encounter a space station with out-of-control fire, you can send them to succesfully put out the fire without risking your crew or your ship. The drones too are immune to fire, which makes it useful to deploy a system-repair drone when over half your ship is on fire and you can't vent your oxygen (because your door system's broken and probably on fire too) without losing your crew.
• Grand Theft Auto: San Andreas: Completing all optional Firefighter missions will make CJ completely invulnerable to fire (he will still catch on it, just never take any damage). Among other things, this makes the final level, where he must escape from a burning building while being shot at from all directions, a trivial affair.
• Inkulinati: Devils, Cerberus, and the Dragon do not take any damage for standing in a space occupied by sparks of fire. This will not protect them from bonfires or the Fires of the Apocalypse, however.
• Into the Breach: The Flame Behemoths come with Flame Shielding to protect them from the fire that they liberally make use of, and other mechs can acquire it as well, though it's more situational in their case.
• Jet Force Gemini: Juno's armor makes him immune to fire as well as lava, which allows him to go through very hot places harmlessly.
• Kingdom Hearts:
  • Axel, Organization XIII's Number VIII, is a pyrokinetic Nobody. As such, Fire Spells typically do not deal any damage to him, and in fact heal him of any damage he would have taken.
  • Hades, Lord of the Underworld and main villain of the Olympus Coliseum, is a hot-tempered, flame-headed god who is immune to Fire-based spells and attacks, absorbing them without issue.
  • Chernabog is a gigantic dark demon who dwells within the volcano Bald Mountain. He bathes in fire from his domain and breathes it as an attack, and is typically unaffected by Fire attacks.
  • The Volcano Lord is a large boss Heartless with command over and immunity to Fire magic.
  • Red Nocturnes are small Fire-wielding Heartless that, in the majority of games in the series, take no damage from Fire attacks and instead heal. This is downplayed in some later games in the franchise, where they will take damage from Fire attacks, but it will be greatly decreased.
  • Crimson Jazz Heartless are essentially larger, more dangerous Red Nocturnes, using their massive size and pyrokenesis to attack. As such, they do not take damage from Fire attacks.
  • Played with with Wizard Heartless. They are immune to Fire-based magic, but that is also because they are immune to elemental magic attacks altogether.
• The Legend of Zelda:
  • Most fiery enemies throughout the series apply to this trope. A non-fiery example as far as this goes is the Keese, a common bat enemy with the ability to become a flying divebombing fireball when exposed to anything fiery, such as a torch or arrows, until it hits Link and loses its flame in the process, but then can go back for more whenever possible. However, Ice Keese, a type of Keese found in snowy regions, are an exception.
  • The Legend of Zelda: The first boss Link fights, the dragon Aquamentus, is unique among the game's enemies for being impossible to harm with fire.
  • The Legend of Zelda: Ocarina of Time: The Goron Tunic is a set of red clothes that confer immunity to fire. While wearing them, Link will not be harmed by fire-based traps or attacks and can walk safely over lava. It's also necessary for exploring Death Mountain Crater and the Fire Temple — without it, Link will burst into flames and die after being there for more than a short while^note Strictly speaking, it's not necessary, just highly recommended. The time it takes for Link to ignite is based on his health, and even in the Fire Temple, not every room is hot. If you get as many Heart Containers as possible to extend the "ignition timer" and can navigate the hot areas quickly, you can beat the game 100% without ever putting on the Goron Tunic..
  • The Legend of Zelda: Majora's Mask: Goron Link is immune to fire (he still receives a Knockback if he's hit by a fiery attack, but his Life Meter won't suffer any depletion) as well as lava. This contrasts his Hylian form (which does take damage from both sources), as well as his Deku and Zora forms (under which he outright dies upon contact with either).
  • The Legend of Zelda: Breath of the Wild:
    • Flame Guard is a type of environmental resistance, conferred by either wearing the Flamebreaker Armor or by drinking a special elixir, that prevents Link from taking damage from intense heat. It's chiefly useful for enduring flaming attacks and for exploring Death Mountain, where the ambient volcanic heat will set Link on fire otherwise. It's also naturally possessed by certain enemies, such as Fire-breath Lizalfos and Rock Octoroks, and animals, such as Fireproof Lizards and Eldin Ostriches, which live on the slopes of Death Mountain and can simply ignore the scorching heat around them.
    • While Flame Guard makes Link immune to scorching ambient heat, it doesn't make Link immune to fire itself (enemy fire arrows, shrine flamethrowers, ambient fires, and so on). Once upgraded twice, the Flamebreaker Armor gains the Fireproof effect, which does provide such protection, allowing Link to pass through open flame with no ill effects.
• Mario & Luigi: Superstar Saga: Once Mario and Luigi learn the Firebrand and Thuderhand techniques respectively, you'll come across a number of enemies that are healed by either one of the elements.
  • Using Mario's Firebrand on Red Oho Jees in the overworld causes them to go wild and engage a battle. Using the Firebrand on these enemies in battle heals them whilst Blue Oho Jees are damaged as normal (but are healed by Thunderhand instead).
  • Mom Piranha switches between red and blue forms throughout the battle. Unusually for plant enemies, Mom Piranha, as well as the smaller Piranha Plants she spawns, is healed by fire in the red form.
  • At Joke's End, the brothers meet Jojora and a friend of your choosing. If the friend has pink hair, she gets healed by fire and is weak to thunder whilst the opposite is true for the yellow-haired friend.
  • All Bowser fights (plus Bowletta's normal form) are programmed for him to be immune to fire and vulnerable to lighting regardless of whether you actually have access to moves yet. (During the tutorial, Mario only has access to the Jump command so the way you could possibly do anything else is by hacking.)
• Medievil: The Dragon Armour makes Sir Daniel immune to fire while equipped.
• Mega Man: Fire-aligned enemies take less damage from fire-based attacks.
• Minecraft: All mobs native to the Nether (excepting Piglins and Hoglins) are unable to catch fire or take damage from it. The player and other mobs can gain such fire immunity temporarily by drinking a Potion of Fire Resistance, something that a Witch does automatically when on fire.
• Mortal Kombat: Scorpion is immune to fire (at least in cutscenes), due to being a Hellfire Revenant.
• Overlord: One of the special abilities of the red minions is immunity to fire.
• Pikmin: Most types of Pikmin are immune to environmental hazards that will kill the others. Red Pikmin are immune to fire, making them necessary for dealing with both fire-based obstacles and fire-breathing or -encased enemies. This is suggested to be because of their noses acting as a highly efficient ventilation system.
• Plants vs. Zombies 2: It's About Time: The Imp Dragon zombie is the only zombie in the game that is completely immune to fire damage, meaning that plants like Snapdragon, Torchwood and Fire Peashooter are utterly useless against it. This immunity even extends to hypnotized Imp Dragons fighting on your side — a Firebreather Zombie's otherwise-powerful fire breath does jack to it.
• Pokémon: A Pokémon with the Flash Fire ability is immune to Fire-type moves and will have its own Fire-type moves strengthened after being hit by one.
• Prayer of the Faithless: Certain characters, and wearing certain equipment, can make characters resistant to the Fire element.
• Sonic the Hedgehog: The Flame Shield, first debuting in Sonic the Hedgehog 3, creates the defensive barrier around the player that protects them against the fire-based attacks and obstacles, complete with allowing them to walk on lava unharmed. However, it disappears immediately when the player enters the body of water.
• Super Mario Bros.: Buzzy Beetles are entirely immune to Mario's fireballs, and must be dealt with by stomping on them to make them withdraw into their shells and then throwing them into a Bottomless Pit before they reemerge. Spike Tops combine this trope with The Spiny, making them even tougher to deal with.
• Team Fortress 2: Downplayed with the Pyro. While one Pyro can still receive contact damage from another Pyro's flamethrower, it does not stay on fire, and is immune to afterburn unlike the other characters.
• Titan Quest: There's fire resistance available as one of the main powers of the Earth Mastery, which focuses on lava and fire.
• Zeus: Master of Olympus: Having a sanctuary dedicated to Hephaestus makes all buildings unable to catch fire. They're still vulnerable to collapse, which the anti-fire walker also prevents.

Web Animation

• Battle for Dream Island: Being literally made of it, Firey is immune to fire and, in some episodes, can be seen casually swimming around in lava. Objects made of metal (but not Yoyle Metal) seem to have this ability as well.
• Helluva Boss: Downplayed with imps. While it's shown that Earthly fire can't hurt them, hellfire very much can.

Webcomics

• Darken: As in Dungeons & Dragons, red dragons are creatures of elemental flame and therefore can't be harmed by fire. This leaves one shocked when Gort burns him with Hellfire.
• In El Goonish Shive, Grace's squirrel fur is fire resistant, as, after all, she is a squirrel.
• Grrl Power: Paraphael a.k.a. Parfait is a succubus (hence a demon) with a half-efreet parent. As such, an author's note specifies that she's 85% fire-resistant. Demonstrated when she uses the fiery rays from her horn's gems to directly burn off bounds restraining her body with no harm to herself.
• The Order of the Stick: The Big Bad Xykon has an unspecified magic item that makes him immune to fire damage, allowing him to use area-of-effect fire spells like meteor swarm at point-blank range without taking damage.
• Slightly Damned: The fire demons have a natural immunity to fire, something seen when Cliff accidentally tries to burn Buwaro and only manages to hurt his feelings. This heat resistance also seems to extend to spicy food.
• Sunbird: Sunbirds, and the people bonded to them, can't burn.

Websites

• Neopets:
  • Scorchios are immune to the fireballs that sometimes come from the Wheel of Mediocrity. Perhaps this is because they are dragon-like Neopets who breathe fire.
  • When a pet is painted with the "Fire, Fire, Your Pants on Fire" paint brush, it will appear to be perpetually on fire, and will also become immune to the fireballs.

Western Animation

• American Dad!: Roger is set on fire in "Big Trouble in Little Langley". Though he screams in shock and discomfort, he survives the incident without any injuries other than a slightly darker skin, and is amazed to discover that he is fireproof. A similar event occurs in "Stan's Food Restaurant", when Roger's face is burned by a blowtorch, but he only reacts with mild annoyance.
• Castlevania (2017): One of the demons that attack the Lindensfeld priory in "Abandon All Hope" is a hollow lizard-like creature full of fire that effortlessly absorbs Sypha's fire magic.
• The Dragon Prince: When sunfire elves enter their superpowered state, they become immune to damage from heat and can walk unharmed through flames.
• My Little Pony: Friendship Is Magic: Dragons are completely immune to flame and heat, and often swim and relax in pools of lava.

Real Life

• Pyrophytes are plants that have adapted to tolerate fire, usually by depositing large quantities of fire-resistant compounds in their bark and wood. Some actively exploit this by encouraging fires, which they can survive but other competitors can't, such as the Eucalyptus trees and their blanketing of the forest floor with broad, oily dry leaves.
• While not truly fire-proof, box turtles evolved their ability to completely enclose themselves in their shells as a means of protection not only from predators but also from the brush-fires that are common in their habitat.

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