Refine Blade•Skill

Is Refine Blade good in Slay the Spire 2?

Refine Blade is a common Regent skill in Slay the Spire 2. In combat it resolves as: Forge. Next turn, gain Energy. It’s a dependable, middle-of-the-pack option, landing at C tier in our rankings.

Across 115 recorded runs, decks running it win 29.3% of the time, comfortably clear of the 18.9% average, by 10.3%. It’s a more selective pick, turning up in just 3.0% of decks that could run it. Regent players keep it in 16.8% of their runs, so it’s a familiar sight in those decks. On average it shows up 1.2 times in the decks that take it.

It performs best next to Sword Sage — together they post a +24.1% swing in win rate. It also has strong chemistry with the relic Centennial Puzzle, which moves its win rate by +25.4%. At 1 energy, it’s upgraded in 32.1% of runs and usually joins the deck around floor 11.

Upgraded, it gains +4 Forge, which is why so many decks invest a rest-site upgrade in it. That’s 31 wins, 75 deaths, and 9 abandoned runs with it in the deck. The encounter that most often ends a run carrying it is Knowledge Demon Boss, which closes out 5.2% of its appearances. Read on for Refine Blade’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Regent run.

Best Cards to Pair with Refine Blade

Ranked by win-rate lift, Refine Blade performs best alongside Sword Sage (+24.1%), Cosmic Indifference (+22.0%), and Void Form (+20.5%).

Sword Sage+24.1%20 runsCosmic Indifference+22.0%25 runsVoid Form+20.5%19 runsStardust+20.4%13 runsMad Science+17.7%9 runsKingly Punch+16.3%4 runs

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

Refine Blade Win Rate by Class

Refine Blade is drafted only by the Regent, where it holds a 29.3% win rate across 115 runs.

The Regentappears in 16.8% of its runs (115 tracked)

Best Relics for Refine Blade

Refine Blade pairs best with the relics Centennial Puzzle (+25.4%), Fencing Manual (+22.4%), and Lantern (+22.2%), ranked by win-rate lift.

Centennial Puzzle+25.4%11 runsFencing Manual+22.4%15 runsLantern+22.2%19 runsBag of Preparation+20.4%12 runsStone Calendar+20.3%8 runsNew Leaf+20.3%7 runs

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

Refine Blade Card Details

Refine Blade is a common skill costing 1 energy; it’s upgraded in 32.1% of runs and usually picked up by floor 11.

Forge. Next turn, gain Energy.

Upgrade: +4 Forge

What Ends Runs with Refine Blade

Refine Blade’s most common run-enders are Knowledge Demon Boss (5.2%), Phrog Parasite Elite (5.2%), and Vantom Boss (5.2%).

• Knowledge Demon Boss5.2% of runs
• Phrog Parasite Elite5.2% of runs
• Vantom Boss5.2% of runs
• The Kin Boss4.3% of runs
• Entomancer Elite2.6% of runs

See Also

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