in the prologue a character has a bloody collar get thrown in front of them, but the game confirms it doesn't belong to a dog by noting, "it's too big for a dog". there is also a bloody animal carcass next to it but again, the game confirms it to not belong to a dog
Involuntary shape-shifting is a big occurrence, and may provide associations. Someone may also have a body part amputated, and may be sad/depressed about it.