If not weevil moria is also an option
I lied ima genius x3
What if instead of moria, weevil, or any other actual warlord its york who joins. Like lucci we know there on the world government's bad side with their only options of escape seemingly being going with strawhats or blackbeard pirates. There's a big chance york joins with the blackbeard pirates in that scenario
As to how would she represent the warlords
- She takes all their shadows
- She's able to use and swap between all there green blood
As to why she wouldn't be absolutely broken. Her body isn't that strong on its own and she doesn't have haki