Sweeping Beam•Attack

Is Sweeping Beam good in Slay the Spire 2?

Sweeping Beam is a common Defect attack in Slay the Spire 2. In combat it resolves as: Deal 6 damage to ALL enemies. Draw cards. It currently underperforms most alternatives, sitting at F tier in our Slay the Spire 2 card rankings.

Across 93 recorded runs, decks running it win 16.9% of the time, trailing the 18.9% average by 2.1%. It’s a more selective pick, turning up in just 2.5% of decks that could run it. Silent players keep it in 0.1% 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 Skim — together they post a +16.6% swing in win rate. It also has strong chemistry with the relic Candelabra, which moves its win rate by +23.8%. At 1 energy, it’s upgraded in 28.0% of runs and usually joins the deck around floor 12.

Upgraded, it gains +3 Damage, which is why so many decks invest a rest-site upgrade in it. That’s 13 wins, 64 deaths, and 16 abandoned runs with it in the deck. The encounter that most often ends a run carrying it is Test Subject Boss, which closes out 5.4% of its appearances. Read on for Sweeping Beam’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Defect run.

Best Cards to Pair with Sweeping Beam

Ranked by win-rate lift, Sweeping Beam performs best alongside Skim (+16.6%), Thunder (+15.4%), and Feral (+15.0%).

Skim+16.6%12 runsThunder+15.4%25 runsFeral+15.0%12 runsRainbow+12.4%6 runsCreative AI+11.6%12 runsIce Lance+11.5%6 runs

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

Sweeping Beam Win Rate by Class

Sweeping Beam is played across 4 classes, led by Silent (100.0%), Ironclad (100.0%), and Defect (14.9%) by win rate.

The Silent100.0%1 runsThe Ironclad100.0%1 runsThe Defect14.9%90 runsThe Necrobinder0.0%1 runs

Best Relics for Sweeping Beam

Sweeping Beam pairs best with the relics Candelabra (+23.8%), Anchor (+22.5%), and Infused Core (+18.7%), ranked by win-rate lift.

Candelabra+23.8%4 runsAnchor+22.5%8 runsInfused Core+18.7%7 runsTouch of Orobas+18.7%7 runsFragrant Mushroom+16.6%5 runsThe Chosen Cheese+16.6%8 runs

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

Sweeping Beam Card Details

Sweeping Beam is a common attack costing 1 energy; it’s upgraded in 28.0% of runs and usually picked up by floor 12.

Deal 6 damage to ALL enemies. Draw cards.

Upgrade: +3 Damage

What Ends Runs with Sweeping Beam

Sweeping Beam’s most common run-enders are Test Subject Boss (5.4%), Kaiser Crab Boss (5.4%), and Queen Boss (4.3%).

• Test Subject Boss5.4% of runs
• Kaiser Crab Boss5.4% of runs
• Queen Boss4.3% of runs
• Knowledge Demon Boss4.3% of runs
• Lagavulin Matriarch Boss4.3% of runs

See Also

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