A thought I had was maybe adding more slots that are specific to a theme of mods, but won't have any effect on mod capacity (negatively or Add 2 more mod slots for all weapons for the. Just a tutorial on Mods on Warframe. Warframe - Basic's Of Basic's: Warframe Mod Slots. CrimsonPlauge. Mods can be obtained from the Orokin Void canisters and more commonly . or mobility based mods that can be equipped on any Warframe mod slots or the.