Originally posted by Faceplant8:

Originally posted by Alji:

Killing Bonemass activates 'You are being hunted'' I believe only killing him on another world will prevent the event, though I don't have firsthand experience of having done that.

All event triggers are world specific. There is no interaction between worlds.

I think he's saying if you kill him on a different world you do not have to worry about the event on your main world.