Binding of Isaac: Rebirth Wiki
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Template:BossTable Teratoma is the posthumous version of Fistula that can appear in all environments of Chapter 4.

Behavior

  • Moves around the room slowly, bouncing off the walls.
  • When enough health is depleted, the one large Teratoma breaks into three medium Teratomas.
  • Each of the three medium Teratomas break into two small Teratomas.
  • After the smallest Teratomas are defeated, they spawn two Spiders unless they are over a pit or other obstacle.

Gallery

Trivia

  • Teratoma also appeared in the original Binding of Isaac.
  • A teratoma is a tumor that contains tissues which are atypical for its placement in the body. This can include hair, teeth, bones, and so on.
  • Unlike other posthumous bosses, Teratoma is found 3 chapters away from its base boss, Fistula.
  • Unlike the original Binding Of Isaac, Teratoma doesn't bounce off of Rocks.
  • Teratoma is one of the three bosses that can be spawned by It Lives, the other two being Chub and Polycephalus.



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