How to unlock slot in inventory

inventory slot png
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Once the first slot has been unlocked, the other three slots can be unlocked in any order Stardust Stardust Stage This slot appears

2 Level 1 Warlock Spell Spell slots gained from Pact Magic equipment and spell scrolls cast directly from inventory will now use

inventory slot I have been playing and recently noticed this in in my inventory upload_2019-6-7_ I have no idea what that slot is, can any one

best new slot machines slot, 2 Minion Upgrade slots, and up to 15 storage slots The chest icon on inventory The bedrock icon on the bottom right can be used to pickup