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For the shotgun in Borderlands, see The Blister.

Blister is a common class mod for the Psycho manufactured by Bandit. The Blister started to drop on April 18, 2013 and the usual loot source is any.


Affected Variable

All variants of the Blister class mod grant the following bonuses up to:

  • Grenade Capacity: +6
  • Kill Skill Duration: +66%


  • Diesel
  • Driven
  • Blood

Skill Bonuses

Variants of the Blister class mod may grant the following bonuses up to:


  • Grenades over the character's native capacity will vanish if the mod is removed.
  • The mod was glitched to increase Boiling Blood instead of Blood Bath and was fixed with September 25th hotfix. The hotfix was incorporated into the Patch 1.8 released February 11, 2014

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