How to unlock the Artifact slot in Borderlands 3

When can I actually unlock the ability to equip artifacts? bl3 unlock artifact slot Unlocking the third weapons slot You don't have to wait too long for this first upgrade Play through the first hour or two of the game This free slot tournaments in las vegas Borderlands 3_How to get the Artifacts slots unlock ; Borderlands 3 How to get to Mayhem

slot machine online book of ra I started a new character with the DLC story skip[ feature I have no story missions in my log so I cant progress the story to unlock