Please note that the Beast is named Garmr, not Fenrir. Fenrir doesn't fit in the mythology (Garmr is the underworld guardian, Fenrir is the one who will devour Odin) and Garmr is even called by name. The steam achievement's name is almost certainly erroneous.
Please note that the Beast is named Garmr, not Fenrir. Fenrir doesn't fit in the mythology (Garmr is the underworld guardian, Fenrir is the one who will devour Odin) and Garmr is even called by name. The steam achievement's name is almost certainly erroneous.