... I mean, I am or at least was and am working on becoming one again.

But where I'm from, the usual defense stuff is mostly the Knights. So this sounds like 'same word means sliiightly different things'.

Most of what I do involves studying Mana to create stuff. Previously, we used a different resource called Aer, but the cores that allowed for that no longer exists. So me and others like me have been working out how to recreate Formulas without.