Hope flares his wings, making himself look much larger than his actual, tall and lean frame. He doesn't know what the human dropped, something made of steel and other things. It hasn't done anything yet, looking harmless among the grass and dead leaves, but the tengu would rather not take any chance in case it were actually dangerous.

Like the object in the human's hand.

Now that he knows. Shiny, metallic, and sharp, that is a blade. A knife, really.

Simple enough to keep out of reach when it's just a small thing and he can fly. But it is still a weapon, and one used to hurt-- he dislikes knives, when so many of the denizens of the forest have been hurt or slain by knives.

"You should put that down."