Master Key

Lore

Master Key was once carried by a veteran of Mondstadt and is said to awaken when Electro-Charged is triggered in rapid succession.

Passive - Eternal Canticle

Increases all damage by 12%. Triggering Electro-Charged grants an additional 18% Hydro DMG Bonus for 8s.

Refinements

• R1: Increases all damage by 12%. Triggering Electro-Charged grants 15% Hydro DMG Bonus for 8s.
• R2: Increases all damage by 14%. Triggering Electro-Charged grants 18% Hydro DMG Bonus for 8s.
• R3: Increases all damage by 16%. Triggering Electro-Charged grants 21% Hydro DMG Bonus for 8s.
• R4: Increases all damage by 18%. Triggering Electro-Charged grants 24% Hydro DMG Bonus for 8s.
• R5: Increases all damage by 20%. Triggering Electro-Charged grants 27% Hydro DMG Bonus for 8s.

Why This Weapon Is Good

Master Key is strong on Polearm users who can trigger Electro-Charged often and maintain high field time.

Best Characters

• Lumine: Lumine can keep the passive active with frequent Hydro application.
• Sigewinne: Sigewinne can keep the passive active with frequent Hydro application.
• Elsa Krauss: Elsa Krauss can keep the passive active with frequent Hydro application.

Ascension Materials

• Recruit Insignia
• Scarlet Catalyst For Verdure
• Agnidus Agate Sliver
• Silver Raven Insignia
• Hilichurl Mask
• Silk Flower

Upgrade Materials