>>542242405
Millennium would make the most sense. However I worry they'd be a greater threat to Kivotos more than they ever were previously if they befriend the engineers.

Is Mika the strongest canon wise?
I mean, Hoshino is basically sold as the strongest of all (or strongest mystic in kivotos at least) and the characters said that Mika is about Tsurugi levels.

But if we go by scenes, Mika goes around punching through concrete walls and throwing pillars