Finally, you also have the option to purchase Baruuk from the Market for 325 Platinums, which comes with a Warframe Slot and a pre-installed Orokin Reactor (meaning the actual cost is 285 Plats).

If you choose to unlock Exilus Slot, spending two more Forma gets you ... he is an amateur sleuth trying to trace the Riven Mafia in Warframe, and a recovering Bethesda modding addict.