Foul Potion — Event Potion in Slay the Spire 2

Updated 17 Oct 2026 Source Slay the Spire 2 potion data (spire-codex.com API), 63 potions retrieved 17 October 2026 By Antewise Editorial

Data status: The facts on this page were checked against the source named above. Game values can still shift with a patch, so re-check anything that looks off.

Deal 12 damage to ALL players and enemies. Can be thrown at the Merchant for 100 Gold instead.

Rarity	Event
Pool	event
Type	Single-use consumable

Effect

Deal 12 damage to ALL players and enemies. Can be thrown at the Merchant for 100 Gold instead.

Potion data comes from the community-built Slay the Spire 2 compendium API and tracks the early-access build. Rarity decides how often a potion turns up, so the rare ones are worth saving for a fight you cannot otherwise win.

Other Event potions

Glowwater Potion — Exhaust your Hand. Draw 10 cards.

Where to go next

All 63 potions — the full table. Relics cover the passive bonuses that last a whole run.

Card database lists the cards you might build around. Enchantments change the cards you keep.

Frequently asked questions

What does Foul Potion do in Slay the Spire 2?

Deal 12 damage to ALL players and enemies. Can be thrown at the Merchant for 100 Gold instead.

How rare is Foul Potion?

It is Event, in the event potion pool.

Should I hold or drink Foul Potion?

Hold defensive potions for the turn that would kill you; drink offensive ones early if they remove a threat outright.

More Slay the Spire 2 guides

Sources

Figures and item data on this site are read from the game’s own reference wiki before publishing. Where a value could not be confirmed there, the page says so instead of filling the gap.