
There are all sorts of quirks and eccentricities within FromSoftware games, both purposeful and accidental. One such singularity exists for Sif, the great grey wolf of Darkroot Garden and protector of Artorias the Abyswalker's grave.
During the fight, you might have noticed the playful dog jumping on your head amid its more harmful attacks, swinging around Artorias's sword to deal pain. There's a good reason for all the hopping towards you, and it’s not because director Hidetaka Miyazaki wants you to play fetch.