After Elemental Energy is decreased, the equipping character's Elemental Mastery will increase by 40/50/60/70/80 for 18s. Max 2 stacks.
Ascension Materials
Mora×150000
Recruit's Insignia×10 Sergeant's Insignia×15 Lieutenant's Insignia×18 Ruined Hilt×15 Splintered Hilt×18 Still-Smoldering Hilt×27 Grain of Aerosiderite×3 Piece of Aerosiderite×9 Bit of Aerosiderite×9 Chunk of Aerosiderite×4