The Club manages to reverse the effects by the end, only for Issei who the two had been trying to de-age in the first place when Rias's spell backfired to suffer this when Gasper unintentionally pushes him into the magic circle.
She wears one in her introductory arc before being revived as a devil.
She has started to improve her skills as time progressed and it was even stated that if she were to master Ex-Durandal, then she could combat the ' and surpass Kiba.
His son prefers the Breast Dragon.
However, the only reason Issei is revived at all is because of a Summoning Crest given to him by Rias' familiar, who was handing them out to people indiscriminately.
She was also raised and trained as the wielder of Durandal under as her sword master and legal guardian.
Ophis may be , however the three main groups have different agendas.
In order to ensure Trihexa doesn't escape from its new seal, most of the faction leaders and their subordinates seal themselves with Trihexa for who knows how long.