Unity 4.0
This wolf is ideal for your dark game requirements. Mecanim compatible and with three resolution versions that have their own independant rigs to allow you to choose which version is best for your game. The meshes can also be used as LOD versions with step down texture sizes.
Complete with unity materials and start animations: Run, Idle, Turn, Jump, Roar and Slash. Character Audio files also included (see the webplayer demo).