DefragmentPower
Gain 1 Focus.
Is Defragment good in Slay the Spire 2?
In Slay the Spire 2, Defragment is a rare power from the Defect card pool. Its effect: Gain 1 Focus. Right now it’s a premium pick that sits at B tier — one of the better cards you can add to a deck this run.
Over 4 tracked runs its win rate sits at 25.0%, 12.4% ahead of the 12.6% all-deck baseline. It sees niche play, included in only 0.8% of eligible runs. Within Defect runs it’s drafted 14.3% of the time, making it a regular part of that class’s decks. Decks that include it run about 1.5 copies on average.
Its standout pairing so far is Capacitor, which lifts its win rate by +8.3% when the two share a deck. On the relic side, Whetstone is its standout companion, worth a +8.3% win-rate swing alongside it. It costs 1 energy, gets upgraded 16.7% of the time, and tends to be picked up near floor 22.
Of the runs that drafted it, 1 ended in victory against 3 deaths and 0 abandons. See the synergies, class split, and threats below for the full picture of where Defragment fits a Defect deck.
Defragment Win Rate & Pick Rate
At a 25.0% win rate, Defragment runs 12.4% ahead of the 12.6% all-deck baseline — the bars below put the two side by side.
Run Outcomes with Defragment
Across the 4 tracked runs that drafted Defragment, 1 ended in a win and 3 in a loss — a 25.0% win share, counting abandons as losses.
- Wins 25.0%
- Losses 75.0%
Best Cards to Pair with Defragment
Defragment’s strongest card pairings so far are Capacitor (+8.3%), Shadow Shield (+8.3%), and Storm (+8.3%), each shown with the win-rate lift it adds.
Based on small co-occurring samples — treat these as early signals, not final verdicts.
Defragment Win Rate by Class
Exclusive to the Defect, Defragment posts a 25.0% win rate over 4 tracked runs.
The Defectappears in 14.3% of its runs (4 tracked)Best Relics for Defragment
The relics that swing Defragment’s win rate the most are Whetstone (+8.3%) and Cracked Core (0.0%), with each lift shown.
Based on small co-occurring samples — treat these as early signals, not final verdicts.
Defragment Card Details
A 1-energy rare power, Defragment is upgraded 16.7% of the time and tends to enter the deck around floor 22.
Gain 1 Focus.
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Defragment – Frequently Asked Questions
Is Defragment good in Slay the Spire 2?
Across 4 tracked runs, Defragment has a 25.0% win rate — +12.4% above the average deck. Win rate reflects how often runs that include the card end in victory.
What does Defragment do in Slay the Spire 2?
Defragment costs 1 energy. Gain 1 Focus.
What class is Defragment in Slay the Spire 2?
Defragment is a Rare Defect Power.
Is Defragment worth upgrading in Slay the Spire 2?
Defragment can be upgraded at a rest site to improve its effect.
What is the best relic for Defragment?
In tracked runs, Defragment has performed best alongside Whetstone, which lifts its win rate by +8.3% over 3 runs together.
See Also
Keep exploring Slay the Spire 2 tier lists and stats below.