These items often provide rich lore about Cvstodia and its inhabitants, or contribute to side activities and achievements.

- Bones of the Holy: 38 unique bones, each with a lore entry. Deliver them to the Ossuary in Albero.
- Children of Moonlight: 38 small cherubs trapped in cages. Freeing them contributes to an achievement and unlocks a secret area.
- Reliquaries: These are containers for Relics.
- Mea Culpa Hearts: Unique items that modify your sword's properties.
- Rosary Beads: Passive buffs that can be equipped.
- Fervour Upgrades: Permanently increase your maximum Fervour.
- Rosary Knot Upgrades: Increase the number of Rosary Beads you can equip.
Collecting all these items is a significant undertaking but highly rewarding for lore enthusiasts and completionists. Many are hidden behind illusory walls or require specific Relics to reach.
Compare collectibles & lore items inHollow Knight: Silksong