Gwendolen hails from the completely ordinary village of Ruhenheim, where she had a normal, peaceful childhood for a little girl - until, at the early onset of puberty, she started developing superhuman strength. It was a natural mutation, an ability to …
Gehenna is the child of "Ifrit":http://www.obsidianportal.com/campaign/the-esper-saga/wikis/ifrit, Eidolon of Fire.
That is what he is, and how he identifies himself in the great scheme of things.
Having grown up in Pandemonium, the great Sanctum at …