The Shout-Out page for Ambition of the Red Princess.
- Malty mentions the names of some of her old playmates being Iris Amelia, Katarina Claes, and Bertia Noches. Matter of fact, in this timeline they're Motoyasu's party members.
- Naofumi tries to figure out if the damage system works similar to Dark Souls or Dragon's Dogma.
- Naofumi declares to Malty to be 'Cruss' for her as the 'Strongest Shield on Earth'.
- One of the kings advisors, suspected to be a foreign agent and called a "worm" by Malty is named Grima.
- In chapter 05, Naofumi counts the prime numbers to jog his memory, not unlike Enrico Pucci doing so to keep his composure.
- Motoyasu channels Jiraiya at one point:"I'll have you know that I am not a little pervert!" He takes a dramatic pause. "I am a BIG one!"
- Naofumi (badly) acts out a couple scenes from The Avengers (2012) and Captain America: The First Avenger after unlocking the 'Red, Blue, and White Balloon Shield'. All the while singing "America Fuck Yeah!"
- Naofumi introduces Beloukas to the idea of Equivalent Exchange.
- Viera was a companion of the first Shield Hero.
- One of Naofumi's new slaves is an Ax-Crazy lizard man named Lautrec. Naofumi recognizes the name.
- Another slave is a rabbit man named Kyubey. As the previous ones were all a Meaningful Name, Naofumi's rather spooked by this fact.
- Chapter 15 has Naofumi theorize that the meanings of EXP and levels stand for execution points and Level of Violence, acting as a reference to the menu system of Undertale.
- One name that Naofumi doesn't recognize, however, is the werewolf Farkas.
- An Omake has Naofumi combine his Balloon Squad into an Apothicon Servant.
- Naofumi gains a set of armor that was partially made with Blue Chromezoid, with Malty exclaiming that it's only behind Titanite in durability but much lighter.
- An Interlude compared the Seaetto House's discipline to that of Faubley's House De La Vallière.
- Naofumi improvises a variation of the Turtle School training style by filling a large bag with heavy items and wearing it all day.
- Naofumi refers to Filorials as Chocobos.
- Kyubey, in Chapter 15, recalls past Legendary Heroes, chief among them being Makoto Itou as the Spear Hero (for his ability to gain a harem), Kazuto "Kirito" Kirigaya as the Sword Hero (for his skill and lone wolf demeanor), and Shirou Emiya as the Bow Hero (for his dedication as a Hero of Justice, just like Itsuki). Naofumi's eyebrows keep raising upwards with each successive name.
- The best hunter in Lute is named Gaston.
- In a later chapter Gaston introduces the party to his old friend LeFou, who alludes to something that happened between Gaston and a girl named Belle before being interrupted by the hunter.
- And later Gaston tells the whole tale, that includes him fighting a Siltvelt noble named Adam and being tossed from a cliff into a river.
- The filorial breeder in Lute is Filorial Bill, named after his father and his father's father.
- Naofumi gets excited when he unlocks the [Leaf Shield] that causes leaves to swirl around him which leads to Myne not understanding the times where he holds up his arm and makes 'pew pew' noises when he activates it.
- While stranded in an abandoned mine, Malty tells Raphtalia, "Come with me if you want to live."
- After Mein gets a curse wound from the Two-Headed Black Dog, Naofumi, after staring at Kyubey, mentions he would sell his soul by making a contract if he could help Mein, then remarks that he now knows how Sayaka felt.
- A preacher of the Three Heroes Church is known as Logarius, who is noted as being heavily scarred and later to wield a scythe.
- There's a pair of extremely old noble families who can trace their lineage back to the very first Sword and Shield Heroes. Said families are the Potter and Malfoy families respectively, with Lucius Malfoy eventually appearing in person.
- The Lord Commander of the Knight Templar of the Church of Three Heroes is Tirion Fordring the Ash Bringer
- The knight riders that came from Cal Mira Island and help save the village from the remaining gashadokuro are named Winchester, Bronzewing, and Lark. Similarly, one of the escorts to the Church of the Three is named Arc, as in ''Jaune Arc,'' not the Godslayer.
- The king Itsuki killed was Varian Wrynn of Stormwind.
- While examining one of Naofumi's leveled-up Balloons, Beloukas mentions that his knife had been made at Siltvelt's Sky Forge, by the master smith Eorlund Graymane.
- When purchasing and freeing Farkas, Naofumi warns him what'll happen if the werewolf decides to prey upon innocents.
- Some of the officials at the conference to decide who summons which Cardinal Hero include Jamandi Aldori, Ghira Belladonna, Kel'Thuzad, and Albus Dumbledore.
- Mirella's Knight Captain is Tabitha Charlotte Orlean de Gallia and bodyguard Knight Captain is Sarah Palmer
- Naofumi's brother Takeru knows or is friends with Kazuma and Megumin.
- While celebrating the end of the Second Wave, a bard sings a variation of "Country Roads, Take Me Home" called "Queen's Road, Take Me Home".
- Iris' opening line to Naofumi in Chapter 25's Omake is similar to Benny's line to the Courier in the opening of Fallout: New Vegas.
- The first Wand Hero and founder of the wizardry school of magic was Brimir the Void Caller.
- The High Inquisitor of the Four Heroes' church is called Lord Emon. And he at one point uses the [Bountiful Sunlight] Miracle.
- While reading the Grimoire of Water, Malty ponders how the Grimoire of Fire might read and envisions the Sith Creed.
- In chapter 31, Naofumi's group is accosted by a group of highwaymen whose members include Porter, Nora, and Ren, who wield a bladed-blunderbuss, a pair of warhammers, and a pistol respectively.
- Mein is trained Aldori style of swordfighting, which she uses to disarm Nora.
- The Mercenary Leader mentions that slaves used for labour in the Schnee family's mineshafts are lucky to last a year. Several other mentions of the Schnees occur in the same chapter.
- Nora also said to leave their bodies to the to the beak-things and bone dogs.
- Two of Porter's coworkers were Pomona and Severus who specialized in botany and alchemy respectively.
- Zylden makes a snarky remark in chapter 33 that magic isn't as simple as snapping your fingers and making half the world disappear.
- Naofumi's old friend from High school went to an Agriculture school in Hokkaido after both of them failed to get into Tokyo University. His name? Yuugo Hachiken.
- One of Ren's (the Sword Hero, not the bandit) sword abilities is Swords of Revealing Light.
- Gaelion uses several draconic words from The Elder Scrolls V: Skyrim, something Naofumi quickly picks up on.
- Gaelion also lives near the County of Whiterun.
- Chapter 43 is titled "Resident Evil" and Chapter 44 is titled "BioHazard", which is the Japanese title for Resident Evil.
- Weiss Schnee, Cute and Jean from Queen's Blade: Spiral Chaos also make an appearance. In fact, the former duels Eclair herself!
- Naofumi mentions how the red moon he and Malty see in Chapter 44 reminds him of the song Red Moon, noting how if Ren's theory about them being Dead All Along was correct it'd be fitting considering their working for their entry to the afterlife, like Prinnies.
- The head blacksmith of Whiterun, Adrienne Avenici from The Elder Scrolls V: Skyrim, mentions her shop, Queen's Blade, has a woman named Cattleya working the forge.
- The duel between Weiss and Eclair in Chapters 44 and 45 has a massive litany of these:
- First, when comparing Weiss' Myrtenaster, she brings up Lambent Light, Radiant Light and Silvery Eternity, given Kirito being one of the past Sword Heroes, as she's gushing over its design. Additionally, it is described as being forged with Mithril.
- The first stage of the fight itself borrows elements from the Throne Room fight scene.
- In Chapter 45, we have the following:
- Weiss quotes Severus Snape in The Half-Blood Prince.Weiss: You dare use my own skill against me!?
- Eclair, however, counters with the Copypasta, actually making it look intimidating.Eclair: When you dined with the nobles, I studied the blade. While you wasted your days at tea parties in pursuit of vanity, I pursued inner strength. Who is uselesss now?
- Weiss quotes Severus Snape in The Half-Blood Prince.
- The two exchange over two dozen Sword Skills over the course of their duel.
- Eclair also invokes the White Fang Lieutenant when chokeslamming Weiss to the ground.
- When Eclair gets on the offensive, she brings to mind Darth Vader, Brosnan's Bond, and Geralt of Rivia in his duel against Renfri.
- When Zylden measures the Miracle Seed tree's mana concentration, it destroys his measuring device, meaning all he can get is that it's over 9000.
- The mutated Life Root is defeated by Malty using Mana Burn on it, thus turning it into ashes by snapping her finger.
- Mein mentions Houou from Franchise/Pokemon to analyze the aquatic theme of what the third wave has brought.
- Leeroy Jenkins is a knight of the Church of Three.
- The leaders of the exiles that founded Shiltfreeden were "a charismatic and fearless mouse mage knight, his best friends: A diligent but short-tempered duck sorcerer, and a kind but dimwitted dog knight".
- As of Chapters 44 and 45, the sheer amount of fight scene and style shoutouts during Weiss' duel against Eclair makes it a case of Reference Overdosed, as some have observed.
