Published on: Nov 15, 2015 @ 11:41 Tlaloc is an Exotic Scout Rifle that can only be used by the Warlock. You can unlock it by reaching rank 3 with the Gunsmith and completing its Exotic quest. We also have a full review. [divider] PvP Guide Tlaloc has a base Impact of 48 and RoF of 37, putting it into the same class as the Boolean Gemini, Hung Jury SR4, or Vision of Confluence. It’s unique perk is ‘Overflow’ which increases the weapons handling, rate of fire, and stability when the wielder’s super is fully charged. When Overflow is active, there’s a ~20% boost in RoF.