Insanity Strike is a vault power-up in Sly 2: Band of Thieves and a buy-able power-up in Sly 3: Honor Among Thieves. In Sly 2, it is obtained from the safe in A Starry Eyed Encounter and Sly Cooper can use it; in Sly 3, it is purchasable for 600 coins during the first day of Flight of Fancy for Bentley.