IterationPower
The first time you draw a Status each turn, draw 2 cards.
Is Iteration good in Slay the Spire 2?
In Slay the Spire 2, Iteration is an uncommon power from the Defect card pool. Its effect: The first time you draw a Status each turn, draw 2 cards. The data flags it as a weaker pick, settling at D tier — usually one to pass on unless your deck specifically wants it.
Over 3 tracked runs its win rate sits at 0.0%, 12.6% short of the 12.6% all-deck baseline. It sees niche play, included in only 0.6% of eligible runs. Within Defect runs it’s drafted 10.7% of the time, making it a regular part of that class’s decks. Decks that include it run about 1.0 copies on average.
Its standout pairing so far is Defend, which lifts its win rate by 0.0% when the two share a deck. On the relic side, Cracked Core is its standout companion, worth a 0.0% win-rate swing alongside it. It costs 1 energy, gets upgraded 33.3% of the time, and tends to be picked up near floor 6.
Of the runs that drafted it, 0 ended in victory against 3 deaths and 0 abandons. See the synergies, class split, and threats below for the full picture of where Iteration fits a Defect deck.
Iteration Win Rate & Pick Rate
At a 0.0% win rate, Iteration runs 12.6% behind the 12.6% all-deck baseline — the bars below put the two side by side.
Run Outcomes with Iteration
Across the 3 tracked runs that drafted Iteration, 0 ended in a win and 3 in a loss — a 0.0% win share, counting abandons as losses.
- Wins 0.0%
- Losses 100.0%
Iteration Win Rate by Class
Exclusive to the Defect, Iteration posts a 0.0% win rate over 3 tracked runs.
The Defectappears in 10.7% of its runs (3 tracked)Best Relics for Iteration
The relics that swing Iteration’s win rate the most are Cracked Core (0.0%), with each lift shown.
Based on small co-occurring samples — treat these as early signals, not final verdicts.
Iteration Card Details
A 1-energy uncommon power, Iteration is upgraded 33.3% of the time and tends to enter the deck around floor 6.
The first time you draw a Status each turn, draw 2 cards.
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Iteration – Frequently Asked Questions
Is Iteration good in Slay the Spire 2?
Across 3 tracked runs, Iteration has a 0.0% win rate — +12.6% below the average deck. Win rate reflects how often runs that include the card end in victory.
What does Iteration do in Slay the Spire 2?
Iteration costs 1 energy. The first time you draw a Status each turn, draw 2 cards.
What class is Iteration in Slay the Spire 2?
Iteration is an Uncommon Defect Power.
Is Iteration worth upgrading in Slay the Spire 2?
Iteration can be upgraded at a rest site to improve its effect.
What is the best relic for Iteration?
In tracked runs, Iteration has performed best alongside Cracked Core, which lifts its win rate by 0.0% over 3 runs together.
See Also
Keep exploring Slay the Spire 2 tier lists and stats below.