Demon FormPower
At the start of your turn, gain 2 Strength.
Is Demon Form good in Slay the Spire 2?
Demon Form is a rare Ironclad power in Slay the Spire 2. In combat it resolves as: At the start of your turn, gain 2 Strength. It ranks among the strongest cards its class can draft right now, earning a spot at S tier in our Slay the Spire 2 card tier list.
Across 7 recorded runs, decks running it win 60.0% of the time, comfortably clear of the 12.6% average, by 47.4%. It’s a more selective pick, turning up in just 1.4% of decks that could run it. Regent players keep it in 0.6% of their runs, so it’s a familiar sight in those decks. On average it shows up 1.0 times in the decks that take it.
It performs best next to Bludgeon — together they post a +40.0% swing in win rate. It also has strong chemistry with the relic Strawberry, which moves its win rate by +40.0%. At 3 energy, it’s upgraded in 57.1% of runs and usually joins the deck around floor 23.
That’s 3 wins, 2 deaths, and 2 abandoned runs with it in the deck. Read on for Demon Form’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Ironclad run.
Demon Form Win Rate & Pick Rate
Demon Form’s 60.0% win rate clears the 12.6% all-deck average by 47.4%, the gap charted below.
Run Outcomes with Demon Form
Demon Form has 3 wins and 4 losses over 7 tracked runs (42.9% won); abandoned runs count as losses.
- Wins 42.9%
- Losses 57.1%
Best Relics for Demon Form
Demon Form pairs best with the relics Strawberry (+40.0%), Festive Popper (+6.7%), and Horn Cleat (+6.7%), ranked by win-rate lift.
Based on small co-occurring samples — treat these as early signals, not final verdicts.
Demon Form Card Details
Demon Form is a rare power costing 3 energy; it’s upgraded in 57.1% of runs and usually picked up by floor 23.
At the start of your turn, gain 2 Strength.
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Demon Form – Frequently Asked Questions
Is Demon Form good in Slay the Spire 2?
Across 7 tracked runs, Demon Form has a 60.0% win rate — +47.4% above the average deck. Win rate reflects how often runs that include the card end in victory.
What does Demon Form do in Slay the Spire 2?
Demon Form costs 3 energy. At the start of your turn, gain 2 Strength.
What class is Demon Form in Slay the Spire 2?
Demon Form is a Rare Ironclad Power.
Is Demon Form worth upgrading in Slay the Spire 2?
Demon Form can be upgraded at a rest site to improve its effect.
What is the best relic for Demon Form?
In tracked runs, Demon Form has performed best alongside Strawberry, which lifts its win rate by +40.0% over 3 runs together.
See Also
Compare Demon Form with the rest of the best Slay the Spire 2 cards, relics, and classes below.