Board Thread:Versus Debates/@comment-26127155-20150613105029/@comment-26127155-20150614000121

Well the general consensus is that Kisame, Mei, Gengestsu, and Yagura would be among the last contestants standing.

Kisame
 * Only contestant with a shown healing factor (via samehada)
 * Designed to defeat enemies with high chakra reserves
 * Has the highest chakra reserves (maybe not Yagura with 3-tails).

Mei
 * Boil release can whittle down the remaining contestants
 * Lava release can melt people?

Gengetsu
 * Uses genjutsu to hide for as long as possible.
 * Has the infinite explosion ninjutsu (one with chibi clone)
 * Hozuki clan technique

Yagura
 * Has the three tails
 * Mirror technique.

Yagura and Mei have more destructive power while Gengetsu could hide most of the fight and Kisame has the most overall stamina (chakra + Samehada). Mei's Lava and Boil style would be could for offense but she has a lack of protection to take hits and I think she would take 4th place. The 3-Tails is the most defensive of the tailed beasts and can swim, so a fight between 3-Tails and Kisame would be very close. Gengetsu could win depending on how long he can hide in the battle, and depending on if Kisame and Yagura take each other out.