Chinese-server data. English names and effects are provisional; untranslated details remain in Chinese.
Prayer stone
Siren Prayer Stone
海妖祷石
BlueUniversalExtra effect · The slot’s highest Attunement reaches grade C
Source: Random drop
Prayer stone effects
Increase damage dealt to fantasy creatures by crewmates of the specified attribute by 10%.
Extra effect
The slot’s highest Attunement reaches grade C
Increase damage dealt to fantasy creatures by another 5%.
Acquisition source
Random drop
Recorded source: Random drop.
Source: 遗忘之海 · 祷石记录器 (Chinese)Lore
Item story
A siren-shaped pattern lies in the heart of the stone. Touch it and a cold, wet sensation coils around your ankle.