Just gonna throw a quick shout out to mwaetht here, I really like the concept of that idea!
1) I'm named after a prison that was used to hold French nobility. Tenno might recognize me instead as that one really useful skill Vauban uses.
2) I can imprison whoever I want. Only enough room for one at a time, though.
3) My Element had a master who named herself after a Korean group of singers.