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Insanity Strike
Cost:	Vault Code (8-5-7) in Sly 2
Appearance(s):	Sly 2: Band of Thieves Sly 3: Honor Among Thieves
Usable With:	Sly Bentley

Insanity Strike is a safe Power-up in Sly 2: Band of Thieves and a buy-able power-up in Sly 3: Honor Among Thieves. In Sly 2, only Sly Cooper can use it, whereas in Sly 3, only Bentley can use it. In Sly 2, the only way to get it is to unlock the Episode 2: A Starry Eyed Encounter vault, which the code is 857. Sly sets his cane or Bentley sets his wheelchair to hit multiple guards so they can attack each other.

It is not required to complete either game.