The Incarnate Corpse is an interactive object found in the Cavern of the Incarnate in The Elder Scrolls Online Morrowind.
There are three of them in the cave.
You need to use the Pouch of Blessed Grave Dust on these corpses to summon the following incarnates:
Incarnate Ranso
SpiritIncarnate Aduri
SpiritIncarnate Danaat
Spirit
Each of them will then give you a scroll to use in Skar:
Quest[edit]
Divine Delusions
Vvardenfell Quest