The latest A Universal Time update has introduced a new Mastery system, and one of the new JJK abilities, The Vessel, is one of the first to acquire it. In this guide, we’ll explain how to get Mastery for Yuji Itadori, the max Mastery rank, and all of the new Mastery levels.
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How to Get Mastery for The Vessel in A Universal Time
To get Mastery for The Vessel in AUT, specific items are needed for each rank:
- Simple Domain Essence
- Cursed Arm
- Death Painting
- Shrine Item
Here’s how to progress:
- Mastery Rank 1
- Use the Simple Domain Essence item, which can drop from the Mahorago boss or from chests.
- Using it increments 1 Mastery Point, and it disappears from your inventory after use.
- The Vessel ability must be equipped.
- Mastery Rank 2
- Use the Cursed Arm item, which drops from the Mahoraga boss or from chests.
- Using it increments 1 Mastery Point, and it disappears from your inventory after use.
- The Vessel ability must be equipped.
- Mastery Rank 3
- Use the Death Painting item, which can drop from the Mahorago boss or from chests.
- Using it increments 1 Mastery Point, and it disappears from your inventory after use.
- The Vessel ability must be equipped.
- Mastery Rank 4
- Use the Shrine item, which can drop from the Mahorago boss or from chests.
- Using it increments 1 Mastery Point, and it disappears from your inventory after use.
- The Vessel ability must be equipped.
The Mahorage boss spanws in the Shibuya Destruct area every 1 hour and 30 minutes global time. However, the drop rates all of all the items above have been hidden by the developers so they are unknown at this time.
The Vessel Max Mastery and Point Thresholds Overview
- The max Mastery Rank for The Vessel is 4.
- Point threshold for each Mastery Rank:
- Mastery Rank [1-3]: 1 point each.
All The Vessel Mastery Levels in A Universal Time

Mastery Level 1
- [UNLOCK MOVE] Simple Domain
Mastery Level 2
- [UNLOCK MOVE] Focused Combination
Mastery Level 3
- [UNLOCK MOVE] Piercing Blood
Mastery Level 4
- [UNLOCK MOVE] Dismantle
- [UNLOCK MOVE] Cleave
Here are our other AUT Mastery guides:
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