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Mappa Mare
Genshin Impact · Weapon

Mappa Mare

Reaction-triggered catalyst damage weapon

Released Sep 28, 2020

Mappa Mare is a 4-star catalyst with Elemental Mastery and a stackable Elemental DMG Bonus that activates when an Elemental Reaction is triggered. It suits an elemental damage dealer who can trigger reactions often enough to use its timed stacks.

WeaponCatalystRarity4Base ATK44Secondary statElemental Mastery
Mappa Mare GUIDE

Understand Mappa Mare

Useful when…

  • Use on a catalyst user who triggers Elemental Reactions during combat.
  • Consider it when Elemental Mastery and Elemental DMG Bonus both fit the character's damage.

Effects and timing

Triggering an Elemental Reaction grants an Elemental DMG Bonus for ten seconds, up to two stacks. At R1, each stack is 8%, for up to 16%; at R5, each is 16%, for up to 32%. Elemental Mastery is the weapon's secondary stat, separate from this reaction-triggered bonus.

How other catalysts differ

A Thousand Floating Dreams also has Elemental Mastery, but its buffs depend on the elemental types of other party members and it increases nearby teammates' Elemental Mastery. Angelos' Heptades has ATK and triggers party damage and energy effects after its wielder creates a shield. These effects have different stats and activation conditions from Mappa Mare's reaction-triggered bonus.

Ascension and refinement

The weapon has six ascension stages; listed examples give materials and Mora for selected transitions. Refinement consumes a Mappa Mare copy and Mora, increasing the bonus per stack. The two-stack cap and ten-second duration remain the same.

Stacks and attribution

A reaction trigger grants a stack, up to two, and each bonus lasts ten seconds. The effect description specifies triggering an Elemental Reaction but does not establish a stricter attribution rule. The maximum two stacks are not automatic; they require triggers.

Limitations and tradeoffs

  • The elemental damage bonus depends on reaction triggers and has a two-stack cap.
  • It does not provide the party Elemental Mastery sharing described for A Thousand Floating Dreams.

Common mistakes to avoid

  • Assuming two stacks are present without reaction triggers.
  • Assuming an attribution rule beyond what the effect description states.

Effects and reference details

Refinement effects

R1 Triggering an Elemental reaction grants a 8% Elemental DMG Bonus for 10s. Max 2 stacks.

R2 Triggering an Elemental reaction grants a 10% Elemental DMG Bonus for 10s. Max 2 stacks.

R3 Triggering an Elemental reaction grants a 12% Elemental DMG Bonus for 10s. Max 2 stacks.

R4 Triggering an Elemental reaction grants a 14% Elemental DMG Bonus for 10s. Max 2 stacks.

R5 Triggering an Elemental reaction grants a 16% Elemental DMG Bonus for 10s. Max 2 stacks.

References and version

Game data version: 7.1

Mappa Mare — Genshin Impact Wiki ↗
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