What is your power and level? If you can survive through 4 rounds until he does Tailed Beast Bomb, then run Anko, Tenten, Guy. Otherwise, You will need to replace Guy with someone to tank for you (Kiba or Naruto). Take a look at my other post for the formation Lineup for Nine Tails Invasion Fire man. For summon, you want Tonton! This is the number 1 mistake players make, in that they don't know that Tonton does extra damage to World Boss. Take a look at Tonton's damage in my video: Scarlet Blaze Guide