Fight Through Skill

Is Fight Through good in Slay the Spire 2?

Fight Through is an uncommon Defect skill in Slay the Spire 2. In combat it resolves as: Gain 13 Block. Add 2 Wounds into your Discard Pile. It currently underperforms most alternatives, sitting at D tier in our Slay the Spire 2 card rankings.

Across 509 recorded runs, decks running it win 20.6% of the time, comfortably clear of the 13.8% average, by 6.7%. It’s a more selective pick, turning up in just 2.0% of decks that could run it. Offer data is close to a wash — 25.7% of offers taken, 20.7% for runs that picked it against 20.4% for runs that skipped, a pick lift of just +0.3% over 426 decided runs. Defect players keep it in 9.1% of their runs, so it’s a familiar sight in those decks. On average it shows up 1.4 times in the decks that take it.

It performs best next to Voltaic — together they post a +29.6% swing in win rate. It also has strong chemistry with the relic The Chosen Cheese, which moves its win rate by +26.3%. At 1 energy, it’s upgraded in 22.2% of runs and usually joins the deck around floor 15.

Upgraded, it gains +4 Block, which is why so many decks invest a rest-site upgrade in it. That’s 104 wins, 402 deaths, and 3 abandoned runs with it in the deck. The encounter that most often ends a run carrying it is Kaiser Crab Boss, which closes out 6.9% of its appearances. Read on for Fight Through’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Defect run.

Pick or Skip: Fight Through

Out of 1861 recorded offers Fight Through is taken 25.7% of the time, and taking it is worth +0.3% in pick lift — 20.7% for runs that picked it against 20.4% for runs that skipped, across 426 decided runs.

Taken 479 times out of 1861 offers.

Pick rate when offered counts offers, not runs: out of every time the game put this in front of a player, how often it was taken. It is not the same number as the share of runs that end up containing it.

Pick lift is the sample-adjusted gap between runs that took the option and runs that passed on it. It is the fair way to rank choices, because raw win rates put the smallest samples on top.

When to Pick Up Fight Through

Fight Through is strongest when it joins the deck in Act 3, where runs win 55.0% across 40 runs — one of 4 recorded pickup windows.

Win rate of runs by the act Fight Through entered the deck. Acts that have not reached the sample floor show their run count only.

Best Cards to Pair with Fight Through

Ranked by win-rate lift, Fight Through performs best alongside Voltaic (+29.6%), Ignition (+23.7%), and Skim (+21.1%).

Voltaic+29.6%24 runsIgnition+23.7%15 runsSkim+21.1%56 runsSupercritical+20.0%69 runsEcho Form+19.8%72 runsEnergy Surge+19.1%28 runs

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

Fight Through Win Rate by Class

Fight Through is drafted only by the Defect, where it holds a 20.3% win rate across 501 runs.

The Defectappears in 9.1% of its runs (501 tracked)

Best Relics for Fight Through

Fight Through pairs best with the relics The Chosen Cheese (+26.3%), Cloak Clasp (+25.8%), and Bag of Marbles (+23.1%), ranked by win-rate lift.

The Chosen Cheese+26.3%20 runsCloak Clasp+25.8%16 runsBag of Marbles+23.1%68 runsRunic Capacitor+22.5%18 runsData Disk+21.8%61 runsVenerable Tea Set+21.3%69 runs

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

Fight Through Card Details

Fight Through is an uncommon skill costing 1 energy; it’s upgraded in 22.2% of runs and usually picked up by floor 15.

Gain 13 Block. Add 2 Wounds into your Discard Pile.

Upgrade: +4 Block

What Ends Runs with Fight Through

Fight Through’s most common run-enders are Kaiser Crab Boss (6.9%), Knowledge Demon Boss (6.3%), and Aeonglass Boss (5.1%).

• Kaiser Crab Boss6.9% of runs
• Knowledge Demon Boss6.3% of runs
• Aeonglass Boss5.1% of runs
• Test Subject Boss5.1% of runs
• Queen Boss4.9% of runs

See Also

Compare Fight Through with the rest of the best Slay the Spire 2 cards, relics, and classes below.