If you've ever tried to besiege a castle in the dark with a drunk guy with comically oversized balls, you'd know that the main issue is that castles are specifically designed to stop this kind of caper.
Shintaiden sits on Zaori, the first and the last, fragmented and fickle, the phoenix of the little world. But now Zaori stands stolid where Haydrahliene once faltered, and Halorien, the servant, is dead, its functions merged into the singular Shintaiden.