Weapon details
A longsword left behind by Wind Reader, one of the Three Hermits of Guizang in Liyue. Legend has it that it was forged out of sacred silver descended from the heavens, and that it once cleaved flowing sea water into two.
Radiance on the Water
R5
Increases Elemental Mastery by 104 for 12s after Elemental Skill use. Max 2 stacks, and each stack's duration is independent of the others.
Phase 0
Level cap: 20
Adventure rank required: -
Mora: -
Materials
-
Phase 1
Level cap: 40
Adventure rank required: 15
Mora: 5,000
Materials
Recruit's Insignia x2 
Fragile Bone Shard x3 
Grain of Aerosiderite x3 Phase 2
Level cap: 50
Adventure rank required: 25
Mora: 15,000
Materials
Recruit's Insignia x8 Fragile Bone Shard x12 
Piece of Aerosiderite x3 Phase 3
Level cap: 60
Adventure rank required: 30
Mora: 20,000
Materials
Sergeant's Insignia x6 
Sturdy Bone Shard x6 Piece of Aerosiderite x6 Phase 4
Level cap: 70
Adventure rank required: 35
Mora: 30,000
Materials
Sergeant's Insignia x9 Sturdy Bone Shard x12 
Bit of Aerosiderite x3 Phase 5
Level cap: 80
Adventure rank required: 40
Mora: 35,000
Materials
Lieutenant's Insignia x6 
Fossilized Bone Shard x9 Bit of Aerosiderite x6 Phase 6
Level cap: 90
Adventure rank required: 50
Mora: 45,000
Materials
Lieutenant's Insignia x12 Fossilized Bone Shard x18 
Chunk of Aerosiderite x4