The Defect•Class

Is The Defect good in Slay the Spire 2?

In Slay the Spire 2, The Defect is one of the five classes you can climb the spire with, beginning each run at 75 HP. Its identity: An automaton eternally modifying itself to survive. Deploys Orb technology when it must fight. It’s among the tougher classes to win with at the moment, posting a 16.1% win rate below the field.

Over 584 tracked runs its win rate sits at 16.1%, 2.8% short of the 18.9% all-class average. On average its runs climb to floor 25.4. Expect about a 27-minute run, finishing with some 23.8 cards and 9.3 relics.

The standout card in its decks is Prolong, which wins 54.5% of the runs it appears in. Another high performer is Production, winning 54.5% of its runs. On the relic side, Iron Club has been its strongest pickup, posting a 85.7% win rate. Winning runs tend to finish with around 5 HP to spare, near ascension 3.5.

Across those runs it banked 72 wins against 375 deaths and 137 abandons. Its most common run-ender is Queen Boss, which closes out 4.6% of its runs. See the best cards, relics, and biggest threats below for a full read on how to climb with The Defect.

Best Cards for The Defect

Ranked by win rate, The Defect performs best with the cards Prolong (54.5%), Production (54.5%), and Fasten (54.5%).

Prolong54.5%2.0% of runsProduction54.5%2.0% of runsFasten54.5%2.0% of runsDecay50.0%2.4% of runsMachine Learning47.4%7.7% of runsDoubt42.9%1.7% of runs

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

Best Relics for The Defect

The relics with the best win rate for The Defect are Iron Club (85.7%), Sword of Jade (85.7%), and Glitter (71.4%), each shown with its win rate.

Iron Club85.7%1.5% of runsSword of Jade85.7%1.2% of runsGlitter71.4%1.5% of runsVenerable Tea Set???66.7%1.9% of runsEmotion Chip66.7%1.2% of runsSai66.7%1.5% of runs

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

The Defect Details

Starting at 75 HP and 99 gold, The Defect averages floor 25.4 per run with roughly 23.8 cards by the end.

An automaton eternally modifying itself to survive. Deploys Orb technology when it must fight.

What Ends The Defect Runs

Runs as The Defect end most often against Queen Boss (4.6%), Kaiser Crab Boss (4.1%), and Knowledge Demon Boss (3.4%) — the share of its runs each accounts for is shown.

• Queen Boss4.6% of runs
• Kaiser Crab Boss4.1% of runs
• Knowledge Demon Boss3.4% of runs
• Phantasmal Gardeners Elite3.3% of runs
• Decimillipede Elite3.1% of runs

See Also

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