Old commission work.
The priestesses of Despero were his most loyal followers, but as time passed Despero needed new warriors, so their true purpose was revealed.
Despero would eventually need warriors  a next generation of warriors so he had selected the priestess who could also be the finest breeders. Now enhanced by the entity the priestess stay in a continous state of pregnancy as they bear Despero a next generation of follower and warrior, with a single minded goal of remaining pregnant.

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