Luke mindrapes them and then teleports a lightsaber through their skulls.
- Unless Luke is at planet-busting level, he will have a difficult time taking out all of them.
- The ninjas have healers, Luke has nothing, not even a time-out in the fight. It is just a matter of time before his injuries overwhelm him.
- There are Shinobi who control lightning, that has to have some effect on a lightsaber so if they can get in a good blast then Luke is weakened.
- The ninjas have poison too, this give Luke a major disadvantage.
- A tailed beast would probably stand a good chance against Luke, not because of their sheer power but because of their durability and persistence. He will have his hands full with them alone, there is no way he could handle an army along with that.