User blog comment:Ixarising/High School DxD Dream Battle/@comment-24421137-20140114083620/@comment-1359322-20140114085303

The POD is used in a way like Rias use in the anime. Sirzechs is an exception because he inherited the Gremory's Magic Talent so he could manipulate the POD like the way he does. Rias' Extinguish Star is only made possible because of her sucking Issei's Dragon power.