Common item (white). What the game says, what it really does, what each copy adds and what it pairs with.

Monster Tooth
Common item (white)
Every enemy you kill drops a little orb that heals you (8 health plus 2% of your max). Each extra tooth heals another 2%.
Game text: «Killing an enemy spawns a healing orb that heals for 8 plus an additional 2% (+2% per stack) of maximum health.»
Stacking: Each copy adds the same, no cap.
Watch out: You have to get close to pick the orb up: much better on melee survivors.
| 1 copy | 2 copies | 3 copies | 5 copies | 10 copies |
|---|---|---|---|---|
| +2% | +4% | +6% | +10% | +20% |
Each copy adds the same.
melee: picks up the orbs without going out of his way.
every orb heals double.
Drops from small chests, white printers and almost anything that gives items.
Unlocked from the start: it can show up in any run.
Every enemy you kill drops a little orb that heals you (8 health plus 2% of your max). Each extra tooth heals another 2%.
Stacking: Each copy adds the same, no cap.Watch out: You have to get close to pick the orb up: much better on melee survivors.
Drops from small chests, white printers and almost anything that gives items. Unlocked from the start: it can show up in any run.
Sources: the game's English text (name and description), the Risk of Rain 2 wiki (riskofrain2.wiki.gg: this item's page, read on 31 October 2026; numbers, stacking formula and notes) and the wiki's survivor pages. The plain-words text and the synergies are ours. Icons: Risk of Rain 2 (Hopoo Games / Gearbox).