3 Psycho masks: The slot machine will drop a live grenade from the reward box, similar to the ones that Suicide Psychos use, and say 'Boom time!'.3 Marcus: Purple weapon, or very rarely other colors (including white).Or, rarely, purple weapon and sometimes the chance for character or vehicle skins. Any 2 matching with psycho mask at the end: White weapon.3 sevens: Character skin from a manufacturer e.g.
(For 'Pre-Sequel', subtitute 'Moonstones' for 'Eridium Bars'.) Borderlands 2 and the Pre-Sequel Known combinations and rewards