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Stage 8 is against the character's sub-boss, stage 9 is against Kazuya Mishima, and stage 10 is against Devil after Kazuya transforms into him. The first seven stages are randomly selected fights against seven of the other initially available characters, while the last three stages are set. The player fights ten stages, as opposed to nine in the first Tekken game. Only the eight default characters have ending videos completing the game with a sub-boss or Heihachi will go straight to the game's staff roll. When playing the game as Heihachi, the player will face all the sub-bosses, followed by Kazuya Mishima in his Devil outfit as the boss.
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Clearing the game without using continues unlocks Heihachi. After defeating Heihachi, the character's ending plays and their sub-boss is unlocked for play. The first seven are against random characters, the eighth is against the character's sub-boss, and the ninth is against Heihachi Mishima, the "boss" of the game. In the first installment of the series, the player fights through nine stages.