They can imbue their intellegence modifier into either attack or damage.
They have Deadly Weapons (+1[W]).
They have BLADE BARRIER and force enchancements to go with it.
They have perma manyshot since they're using repeaters.
They have endless fusilade.
They have increased damage with Xbows.
They have RUNEARMS
They can bla bla bla I'm sure at this point I'm boring you with things you may have or not have known.
Second with that statement you changed this thread. Now instead of saying shiradi champion sucks, it seems like you're saying it sucks because it doesn't work well with your build.