Weapon details
Rainbow Serpent's Rain Bow
Type: Bow
Rarity: ★★★★ Base ATK: 42 Energy Recharge: 10%
An ancient ceremonial weapon passed down by the Masters of the Night-Wind. This dark bow is forever wreathed in an unshakable chill.
Passive effect
Astral Whispers Beyond the Sacred Throne
R1
ATK is increased by 28% for 8s after the equipping character's attacks hit an opponent while the equipping character is off-field.
R2
ATK is increased by 35% for 8s after the equipping character's attacks hit an opponent while the equipping character is off-field.
R3
ATK is increased by 42% for 8s after the equipping character's attacks hit an opponent while the equipping character is off-field.
R4
ATK is increased by 49% for 8s after the equipping character's attacks hit an opponent while the equipping character is off-field.
R5
ATK is increased by 56% for 8s after the equipping character's attacks hit an opponent while the equipping character is off-field.
Cost per phase
Phase 0
Level cap: 20
Adventure rank required: -
Mora: -
Materials
-
Phase 1
Level cap: 40
Adventure rank required: 15
Mora: 5,000
Materials
Refractive Bud x3 
Tattered Warrant x2 
Night-Wind's Mystic Consideration x3 Phase 2
Level cap: 50
Adventure rank required: 25
Mora: 15,000
Materials
Refractive Bud x12 Tattered Warrant x8 
Night-Wind's Mystic Premonition x3 Phase 3
Level cap: 60
Adventure rank required: 30
Mora: 20,000
Materials
Bewildering Broadleaf x6 
Immaculate Warrant x6 Night-Wind's Mystic Premonition x6 Phase 4
Level cap: 70
Adventure rank required: 35
Mora: 30,000
Materials
Bewildering Broadleaf x12 Immaculate Warrant x9 
Night-Wind's Mystic Augury x3 Phase 5
Level cap: 80
Adventure rank required: 40
Mora: 35,000
Materials
Illusory Leafcoil x9 
Frost-Etched Warrant x6 Night-Wind's Mystic Augury x6 Phase 6
Level cap: 90
Adventure rank required: 50
Mora: 45,000
Materials
Illusory Leafcoil x18 Frost-Etched Warrant x12 
Night-Wind's Mystic Revelation x4