Slay the Spire 2

10 levels · v0.111.0 · updated Oct 19, 2026

Slay the Spire 2 ascension levels

Slay the Spire 2 has 10 Ascension levels. Each one adds a modifier on top of all the lower ones, and you unlock the next by winning a run on the current level with that character. On v0.111.0, players win 24.5% of runs at Ascension 10; the biggest drop comes at Ascension 9 (Deadly Enemies), down 18.4 points.

  1. 0

    No Ascension

    Play without any Ascension modifiers.

    36.6%15,697 runs
  2. 1

    Swarming Elites

    Elites spawn more often.

    49.2%13,251 runs
  3. 2

    Weary Traveler

    Ancients only heal 80% of your missing HP.

    43.7%8,800 runs
  4. 3

    Poverty

    Enemies and Treasure Chests drop 25% less Gold.

    45.1%8,020 runs
  5. 4

    Tight Belt

    Start each run with 1 less potion slot.

    46.4%8,163 runs
  6. 5

    Ascender's Bane

    Start each run Cursed.

    41.9%9,756 runs
  7. 6

    Inflation

    Removing cards from your deck at the Merchant is more expensive.

    42.5%9,357 runs
  8. 7

    Scarcity

    Rare and Upgraded cards appear less often.

    42.5%8,974 runs
  9. 8

    Tough Enemies

    All enemies are harder to kill.

    33.0%10,720 runs
  10. 9

    Deadly Enemies

    All enemies have deadlier attacks.

    14.6%20,984 runs
  11. 10

    Double Boss

    Fight two bosses at the end of Act 3.

    24.5%127,376 runs

Win rate: share of runs at that level that ended in a win, all characters, on v0.111.0 (Spire Codex community runs). Low levels look harder than they are because new players start there.

Slay the Spire 2 ascensions explained

Ascension levels stack: Ascension 10 includes every modifier from 1 to 9. Slay the Spire 2 ascension 10 (Double Boss) is the current Slay the Spire 2 max ascension; all sts2 ascension levels are listed above with what they change. For which characters handle high ascensions best, see the Slay the Spire 2 tier list.

FAQ

How many ascension levels are in Slay the Spire 2?

10 in Early Access (Ascension 1 to 10), each adding one modifier. Ascension 10, Double Boss, is currently the maximum.

What does Ascension 10 do in Slay the Spire 2?

Double Boss: Fight two bosses at the end of Act 3. It stacks with all nine lower levels.

How do you unlock higher ascensions?

Beat the Act 3 boss with a character to unlock Ascension 1 for that character; each win at your highest level unlocks the next, up to 10. Solo progress is tracked per character, and co-op has its own separate progression.