Ria (Rias Gremory), Anime Adventures Wiki

Ria is a MythicalMythical Limited unit based on Rias Gremory from the anime High School DxD. She can only be obtained by opening the Demon Academy Star. Ria can evolve into Ria (Devil Princess) with the following materials: Units sell for 25% of their deployment cost and upgrades. Her name is actually her nickname by her brother and her father.

High School DxD

High School DxD – 04 – Random Curiosity

Rias Gremory (Character) - Comic Vine

Short Stories, High School DxD Wiki