The artifact slot is not unlocked via a specific mission It

You will unlock the Artifact slot during the main story mission, Cold as the Grave As mentioned above, unlocking the Artifact slot

This is a List of ALL legendary and unique ARTIFACTS in Borderlands 3 Utilize the list to SORT, FILTER, and FIND the best artifact for your build

borderlands 3 how to unlock 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 2 slot machine cheat You will unlock the Artifact slot during the main story mission, Cold as the Grave As mentioned above, unlocking the Artifact slot