what quotes would i use to describe Grendel as an anti-hero

It was confusing and frightening, not in a way I could untangle. I was safe in my tree, and the men who fought were nothing to me, except of course that they talked in something akin to my language, which meant that we were, incredibly, related. I was sickened, if only at the waste of it: all they killed—cows, horses, men—they left to rot or burn.