Monster from the horror-themed, now barely functional MMORPG Requiem: Bloodymare / Memento Mori / whatever.
Animations refused to import correctly, eventually the combination of Blender 2.7 and 2.9 resulted at least in the default pose getting imported, so that’s what we
have here.
Two versions included - single-piece and a 4-piece kit.
The author hasn't provided the model origin yet.