my 50 div spectre are done

i unnequiped my helmet and all my spectres done.

Perfect Guardian Turtle, Perfect Forest Tiger, Perfect Hulking Miscreation, Perfect Forest Warrior, Perfect Warlord and Perfect Primal Thunderbird

i cannot find them with desecrate in my hideout. the corpses are gone

Itemized corpses are not added to the Desecrate pool. They probably dropped to the ground and your triggered Bone Offering consumed them.