
Once unlocked, you can change the polarity of the slot with Forma. If you do, a dialogue box will open asking if you want to fuse the adapter with the current Warframe.
On Console, you must try to equip an Exilus mod on a locked Exilus slot with an Exilus Adapter in your inventory. See Also: XBox Enforcement Check, Fix Your Reputation – If a locked Exilus Slot is clicked without Exilus Adapters being available, a prompt will appear which will ask whether the player wishes to purchase an Exilus Adapter from the Market. To use an Exilus Adapter on PC, click on a Warframe’s locked Exilus Slot, which will open a prompt asking for confirmation to use the Adapter to unlock the slot.
Fully built Exilus Adapters are also commonly given out as Twitch drops on the Devstreams.
The blueprint can be obtained from some Invasions. The blueprint can be obtained from Teshin for 75,000. The blueprint is consumed upon crafting, and must be repurchased to craft another Adapter. The blueprint can be obtained from Cephalon Simaris after completion of the Natah Quest for 50,000. A fully built Adapter can be obtained from Sorties. A fully built Adapter was rewarded to players as a token of apology for server issues on 13th September 2015. A fully built Adapter is rewarded on the 150- and 450-Day Daily Tribute Milestones. All Sentinels will come with two mods specific to their type. A fully built Adapter is also rewarded after completing the final mission in A Man of Few Words Quest. Each Sentinel comes with a unique weapon, taking up a total of two Robotic slots, which are independent from Warframe and Weapon slots and shared with Robotic weapons and MOA Companions. A fully built Exilus Adapter is obtained automatically after completing the Natah Quest. Can be purchased from the game Market for 20 under Equipment → Components.