Loot drop from enemies that jumped form clief

Hello guys. I dont know about similar topic.
I fought first boss and made him jump from the clif and now i cant get loot from him because i die even i jump from clif to tree and to earth.
I mean mb u need make loot ball drop float on the last position before enemy die.
Boss died from this clif -

And can i get this area under - I cant load second image

Second Image