You can tag the single (or in some teams duo) none sword bearing ninjas. Then his normal attack will attack another non tagged and that 1 or 2 tagged ninja. So he may not hit all 4 now, but he'll still hit 2, and with bee around... hit 2... twice. I think still pretty effective.

I'm the worst person to ask about this one. I don't follow so closely with those CN servers to really know that much detail. :Q

Probably someone else with better knowledge can answer that.