| Type | Catalyst |
| Rarity |  |
| How to get | Forging |
| Base Attack | 44 |
| Substats | Elemental Mastery |
| Passive | Infusion Scroll |
| Description | Triggering an Elemental reaction grants a 8/10/12/14/16% Elemental DMG Bonus for 10s. Max 2 stacks. |
In Game Description
A nautical chart featuring nearby currents and climates that somehow found its way into Liyue via foreign traders.
How to Get Mappa Mare?
Obtainable from forging. Here’s all materials you need to forge Mappa Mare:
Weapon Upgrade Materials
Here’s all material used to upgrade Mappa Mare:
| Level |  Mora | Ascension Material | Material 1 | Material 2 |
| Level 20 | 5.000 |  x3 |  x3 |  x2 |
| Level 40 | 15.000 |  x3 | x12 | x8 |
| Level 50 | 20.000 | x6 |  x6 |  x6 |
| Level 60 | 30.000 |  x3 | x12 | x9 |
| Level 70 | 35.000 | x6 |  x9 |  x6 |
| Level 80 | 45.000 |  x4 | x18 | x12 |
Special Ability Based on Refinement
Just like any other weapon, Mappa Mare also have special effect. The higher rank of weapon refinement, the effect will become stronger with highest number at refinement rank 5.
| Refinement Rank | Description |
| Refinement 1 | Triggering an Elemental reaction grants a 8% Elemental DMG Bonus for 10s. Max 2 stacks. |
| Refinement 2 | Triggering an Elemental reaction grants a 10% Elemental DMG Bonus for 10s. Max 2 stacks. |
| Refinement 3 | Triggering an Elemental reaction grants a 12% Elemental DMG Bonus for 10s. Max 2 stacks. |
| Refinement 4 | Triggering an Elemental reaction grants a 14% Elemental DMG Bonus for 10s. Max 2 stacks. |
| Refinement 5 | Triggering an Elemental reaction grants a 16% Elemental DMG Bonus for 10s. Max 2 stacks. |