Mekuto
Definitely not the villain
I'm referencing the Wiki, but I feel like I've read this the novels as well. I'm conflicted I like the idea of a castle setting, but love the defensive power of a tomb. Eh I'll mull it over for a bit.I see. I don't recall that info, then again I never read the actual novels, merely researched the info. Plus they could have been updated since then.
My idea for a floor was going to be a fortress anyway so making a castle I stead of a tomb would let me apply that idea to the guildhall and then I make my own floor.