Chinese-server data. English names and effects are provisional; untranslated details remain in Chinese.
Prayer stone
Sturdy Shield Prayer Stone
坚盾祷石
PurpleConstitutionExtra effect · Strength Attunement reaches grade B
Source: Random drop
Prayer stone effects
When a Strength crewmate is below 50% HP, increase shield acquisition efficiency by 6 levels.
Extra effect
Strength Attunement reaches grade B
The shield efficiency increase applies below 60% HP, and its level increases by another 3.
Acquisition source
Random drop
Recorded source: Random drop.
Source: 遗忘之海 · 祷石记录器 (Chinese)Lore
Item story
A shield-shaped pattern rises from the stone’s surface. Tied to light armor, it is said to make an enemy’s blade less likely to strike a vital spot.