This is a paid asset, but now you can download 3D Creature : Stump Pack for FREE, but please remember this package is provided only for learning purposes or to be able to test before buying the product, NOT FOR COMMERCIAL PURPOSES.
Detail this asset from Unity Store: Original Link
3D Creature Stump Pack v1.0
5 Sources as Animation
-Idle
-Move
-Attack
-Die
-Take Damage
5 Sources as Prepab
Sketchfab URL
Link