Severance•Attack

Is Severance good in Slay the Spire 2?

Severance is an uncommon Necrobinder attack in Slay the Spire 2. In combat it resolves as: Deal 13 damage. Add a Soul into your Draw Pile, Hand, and Discard Pile. It currently underperforms most alternatives, sitting at F tier in our Slay the Spire 2 card rankings.

Across 74 recorded runs, decks running it win 14.3% of the time, trailing the 18.9% average by 4.7%. It’s a more selective pick, turning up in just 1.9% of decks that could run it. Necrobinder players keep it in 8.8% of their runs, so it’s a familiar sight in those decks. On average it shows up 1.1 times in the decks that take it.

It performs best next to Dredge — together they post a +17.4% swing in win rate. It also has strong chemistry with the relic Oddly Smooth Stone, which moves its win rate by +21.9%. At 2 energy, it’s upgraded in 19.3% of runs and usually joins the deck around floor 11.

Upgraded, it gains +5 Damage, which is why so many decks invest a rest-site upgrade in it. That’s 9 wins, 54 deaths, and 11 abandoned runs with it in the deck. The encounter that most often ends a run carrying it is Decimillipede Elite, which closes out 6.8% of its appearances. Read on for Severance’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Necrobinder run.

Best Cards to Pair with Severance

Ranked by win-rate lift, Severance performs best alongside Dredge (+17.4%), Spur (+13.4%), and Friendship (+12.5%).

Dredge+17.4%4 runsSpur+13.4%6 runsFriendship+12.5%16 runsUltimate Defend+12.1%3 runsProtector+12.1%3 runsDevour Life+11.8%7 runs

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

Severance Win Rate by Class

Severance is played across 2 classes, led by Necrobinder (14.5%) and Silent (0.0%) by win rate.

The Necrobinder14.5%73 runsThe Silent0.0%1 runs

Best Relics for Severance

Severance pairs best with the relics Oddly Smooth Stone (+21.9%), Happy Flower (+19.6%), and Blood Vial (+17.9%), ranked by win-rate lift.

Oddly Smooth Stone+21.9%6 runsHappy Flower+19.6%7 runsBlood Vial+17.9%11 runsFrozen Egg+17.4%4 runsTuning Fork+15.2%5 runsGremlin Horn+15.2%5 runs

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

Severance Card Details

Severance is an uncommon attack costing 2 energy; it’s upgraded in 19.3% of runs and usually picked up by floor 11.

Deal 13 damage. Add a Soul into your Draw Pile, Hand, and Discard Pile.

Upgrade: +5 Damage

What Ends Runs with Severance

Severance’s most common run-enders are Decimillipede Elite (6.8%), The Insatiable Boss (5.4%), and Bygone Effigy Elite (4.1%).

• Decimillipede Elite6.8% of runs
• The Insatiable Boss5.4% of runs
• Bygone Effigy Elite4.1% of runs
• Test Subject Boss4.1% of runs
• Vantom Boss4.1% of runs

See Also

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