Defragment•Power

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. Performance-wise it’s a solid if unspectacular include, rated C tier overall.

Over 53 tracked runs its win rate sits at 34.0%, 15.1% ahead of the 18.9% all-deck baseline. It sees niche play, included in only 1.4% of eligible runs. Within Silent runs it’s drafted 0.1% of the time, making it a regular part of that class’s decks. Decks that include it run about 1.2 copies on average.

Its standout pairing so far is TURBO, which lifts its win rate by +21.3% when the two share a deck. On the relic side, Data Disk is its standout companion, worth a +22.0% win-rate swing alongside it. It costs 1 energy, gets upgraded 41.9% of the time, and tends to be picked up near floor 19.

Of the runs that drafted it, 17 ended in victory against 33 deaths and 3 abandons. Its most common run-ender is The Insatiable Boss, finishing 3.8% of the runs it shows up in. See the synergies, class split, and threats below for the full picture of where Defragment fits a Defect deck.

Best Cards to Pair with Defragment

Defragment’s strongest card pairings so far are TURBO (+21.3%), Smokestack (+18.9%), and Overclock (+18.9%), each shown with the win-rate lift it adds.

TURBO+21.3%8 runsSmokestack+18.9%4 runsOverclock+18.9%4 runsCompact+15.5%9 runsTrash to Treasure+15.5%9 runsMachine Learning+15.3%5 runs

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

Defragment Win Rate by Class

Of the 2 classes that draft Defragment, it performs best with Silent (100.0%) and Defect (32.6%).

The Silent100.0%1 runsThe Defect32.6%52 runs

Best Relics for Defragment

The relics that swing Defragment’s win rate the most are Data Disk (+22.0%), Joss Paper (+18.9%), and Happy Flower (+18.0%), with each lift shown.

Data Disk+22.0%5 runsJoss Paper+18.9%4 runsHappy Flower+18.0%10 runsCentennial Puzzle+15.4%8 runsDragon Fruit+15.2%3 runsBlood Vial+13.3%12 runs

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 41.9% of the time and tends to enter the deck around floor 19.

Gain 1 Focus.

What Ends Runs with Defragment

Runs holding Defragment end most often against The Insatiable Boss (3.8%), Knights Elite (3.8%), and Knowledge Demon Boss (3.8%) — the share of its runs each accounts for is shown.

• The Insatiable Boss3.8% of runs
• Knights Elite3.8% of runs
• Knowledge Demon Boss3.8% of runs
• Kaiser Crab Boss3.8% of runs
• Queen Boss3.8% of runs

See Also

Keep exploring Slay the Spire 2 tier lists and stats below.