If you want to look up what ninjas we can expect that has a skillbook from the China server, use this google doc and look up the translations: https://docs.google.com/do*ent/d/1NugtF12K5S1lPNH1vkE2cp5mjV9kEvJDLdaWFY_V610/edit#. At the moment, chojuro does not have skillbooks.

*Since the unnecessary censor is there, the censored word is d.o.c.u.m.e.n.t (remove the periods)

Oh the nightmares from sealed ninjas and group summon ambush