The artifact slot is not unlocked via a specific mission It

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To unlock the artifact slot, you need to complete Cold as the Grave main quest on the planet Eden-6 As a reminder, the main part of this quest

borderlands 3 unlock artifact item slotmain story 76 views · Streamed 1 year agomore Artifact slot unlocks on the mission before Angel's and Speed Demons Somewhere beyond right and wrong, there is a garden I will meet you

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