Book of R'lyeh
"A magic book that could give you the power of an evil god or drive you insane."
Book of R'lyeh.png Rarity SSR.png
Type Arcane.png
Element WaterSymbol.png Water
Max Level 125
Obtained from Premium Gacha
Magic Jewel Gacha
Releases Cthulhu
HP Attack Total Power
23 - 138 423 - 2538 446 - 2676
Burst
Burst Icon.png Burst Effect
Water DMG (4x)
★ (Limit Break ★★☆) Increases to Water DMG (4,5x)
Skill
WS water defender.png Cocytus Defender
Water Characters' Max HP↑ (Large)

Book of R'lyeh
"A magic book that could give you the power of an evil god or drive you insane."
Book of R'lyeh.png Rarity Awaken.png
Type Arcane.png
Element WaterSymbol.png Water
Max Level 150
Obtained from Premium Gacha
Magic Jewel Gacha
Releases Cthulhu
HP Attack Total Power
23 - 159 423 - 2919 446 - 3078
Burst
Burst Icon.png Burst Effect
Increases to Water DMG (5x). Reduces Charge turn by 1
Skill
WS water defender.png Cocytus Defender
Water Characters' Max HP↑ (Large)
Skill
WS water stinger.png Blizzard Stinger
Water Characters' Crit Rate↑ (Medium)


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