The artifact slot is not unlocked via a specific mission It

After you have finished the Eden-6 Story mission the last slot will be unlocked to use artifacts #1 bazzboozz · View Profile View Posts Apr

3 Sold by Salubra in Forgotten Crossroads for alt=Steel Soul Jinn is a Forgotten shaman artifact, used to draw SOUL from still-living creatures

borderlands 3 artifact slot 3 Sold by Salubra in Forgotten Crossroads for alt=Steel Soul Jinn is a Forgotten shaman artifact, used to draw SOUL from still-living creatures

borderlands 3 4th weapon slot Do This now for EASY Artifacts in Borderlands 3 Get them Artifacts Borderlands 3 Hope you