Chinese-server data. English names and effects are provisional; untranslated details remain in Chinese.
Prayer stone
Smile Prayer Stone
微笑祷石
BluePerceptionExtra effect · Perception Attunement reaches grade C
Source: Random drop
Prayer stone effects
During a team rest, if the squad has a Perception crewmate, squad members gain 开心, increasing Defense by 3% and healing received by 5% until the next team rest.
Extra effect
Perception Attunement reaches grade C
Gain 开心, increasing Defense by 5% and healing received by 8%.
Acquisition source
Random drop
Recorded source: Random drop.
Source: 遗忘之海 · 祷石记录器 (Chinese)Lore
Item story
A face inside seems to grin without tiring. Its laughter can just be heard.