From PlayStation Universe: “Warframe allows players to equip powerful weapons that can be used during battle. You can acquire primary, secondary and melee weapons. Warframe weapons can perform better and deal higher damage using different mods. Theres one mod that everyones looking for however the Blaze Mod. Here we give you details on how to get the Blaze Mod.”
Source: N4G PC Warframe How to Get Blaze Mod to Increase Shotgun Damage