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This is the team I used to beat 334. In round 1, use Gaara myst after Samui used her myst on someone then his barrier will come up. In round 2, use Ashura Naruto to aim at Mifune then use Earth main myst on himself immediately so you c*e normal Gaara to kill almost all ninjas. Just make sure you keep Torune alive so he can feed those puppets more and more poison, easier to kill them off. (For summoning mystery, I used Shiba)