Equilibrium•Skill

Is Equilibrium good in Slay the Spire 2?

Equilibrium is an uncommon Colorless skill in Slay the Spire 2. In combat it resolves as: Gain 13 Block. Retain your Hand this turn. It’s a dependable, middle-of-the-pack option, landing at C tier in our rankings.

Across 40 recorded runs, decks running it win 25.6% of the time, comfortably clear of the 14.0% average, by 11.7%. It’s a more selective pick, turning up in just 0.3% of decks that could run it. Across 599 recorded offers it is picked 1.7% of the time (10 runs took it, 565 passed), which is still short of the sample needed to publish a pick-versus-skip win rate. Ironclad players keep it in 0.4% of their runs, so it’s a familiar sight in those decks. On average it shows up 1.2 times in the decks that take it.

It performs best next to Ascender's Bane — together they post a -3.4% swing in win rate. At 2 energy, it’s upgraded in 29.8% of runs and usually joins the deck around floor 19.

Upgraded, it gains +3 Block, which is why so many decks invest a rest-site upgrade in it. That’s 10 wins, 29 deaths, and 1 abandoned runs with it in the deck. The encounter that most often ends a run carrying it is Test Subject Boss, which closes out 10.0% of its appearances. Read on for Equilibrium’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Colorless run.

Pick or Skip: Equilibrium

Equilibrium is taken in 1.7% of its 599 recorded offers, but with 10 runs picking it and 565 passing, neither side has enough decided runs for a win rate yet.

Taken 10 times out of 599 offers.

A win rate is only shown once that side clears the sample floor. Below it you get the run counts and nothing else — a 0% here would be a reporting artefact, not a result.

Pick rate when offered counts offers, not runs: out of every time the game put this in front of a player, how often it was taken. It is not the same number as the share of runs that end up containing it.

Pick lift is the sample-adjusted gap between runs that took the option and runs that passed on it. It is the fair way to rank choices, because raw win rates put the smallest samples on top.

When to Pick Up Equilibrium

Equilibrium is strongest when it joins the deck in Act 2, where runs win 26.7% across 15 runs — one of 3 recorded pickup windows.

Win rate of runs by the act Equilibrium entered the deck. Acts that have not reached the sample floor show their run count only.

Best Cards to Pair with Equilibrium

Ranked by win-rate lift, Equilibrium performs best alongside Ascender's Bane (-3.4%).

Ascender's Bane-3.4%25 runs

Based on small co-occurring samples — treat these as early signals, not final verdicts.

Equilibrium Win Rate by Class

Equilibrium is drafted only by the Ironclad, where it holds a 40.0% win rate across 10 runs.

The Ironcladappears in 0.4% of its runs (10 tracked)

Equilibrium Card Details

Equilibrium is an uncommon skill costing 2 energy; it’s upgraded in 29.8% of runs and usually picked up by floor 19.

Gain 13 Block. Retain your Hand this turn.

Upgrade: +3 Block

What Ends Runs with Equilibrium

Equilibrium’s most common run-enders are Test Subject Boss (10.0%), Queen Boss (7.5%), and Ceremonial Beast Boss (5.0%).

• Test Subject Boss10.0% of runs
• Queen Boss7.5% of runs
• Ceremonial Beast Boss5.0% of runs
• Kaiser Crab Boss5.0% of runs
• Decimillipede Elite5.0% of runs

See Also

Compare Equilibrium with the rest of the best Slay the Spire 2 cards, relics, and classes below.