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 25 recorded runs, decks running it win 20.0% of the time, comfortably clear of the 12.6% average, by 7.4%. It’s a more selective pick, turning up in just 4.8% of decks that could run it. Regent players keep it in 15.1% of their runs, so it’s a familiar sight in those decks. On average it shows up 1.0 times in the decks that take it.

It performs best next to Big Bang — together they post a +55.0% swing in win rate. It also has strong chemistry with the relic Lantern, which moves its win rate by +60.0%. At 1 energy, it’s upgraded in 19.2% of runs and usually joins the deck around floor 8.

Upgraded, it gains +4 Forge, which is why so many decks invest a rest-site upgrade in it. That’s 5 wins, 20 deaths, and 0 abandoned runs with it in the deck. The encounter that most often ends a run carrying it is Vantom Boss, which closes out 20.0% 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 Big Bang (+55.0%), Clumsy (+46.7%), and Cosmic Indifference (+46.7%).

Big Bang+55.0%4 runsClumsy+46.7%3 runsCosmic Indifference+46.7%3 runsGlow+40.0%5 runsAlignment+30.0%4 runsSeeking Edge+30.0%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 20.0% win rate across 25 runs.

The Regentappears in 15.1% of its runs (25 tracked)

Best Relics for Refine Blade

Refine Blade pairs best with the relics Lantern (+60.0%), Regal Pillow (+55.0%), and Horn Cleat (+46.7%), ranked by win-rate lift.

Lantern+60.0%5 runsRegal Pillow+55.0%4 runsHorn Cleat+46.7%3 runsBlood Vial+46.7%3 runsFencing Manual+46.7%3 runsHappy Flower+46.7%3 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 19.2% of runs and usually picked up by floor 8.

Forge. Next turn, gain Energy.

Upgrade: +4 Forge

What Ends Runs with Refine Blade

Refine Blade’s most common run-enders are Vantom Boss (20.0%), Entomancer Elite (8.0%), and Phrog Parasite Elite (8.0%).

• Vantom Boss20.0% of runs
• Entomancer Elite8.0% of runs
• Phrog Parasite Elite8.0% of runs

See Also

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