Comet•Attack

Is Comet good in Slay the Spire 2?

Comet is a rare Regent attack in Slay the Spire 2. In combat it resolves as: Deal 33 damage. Apply 3 Weak. Apply 3 Vulnerable. It currently underperforms most alternatives, sitting at D tier in our Slay the Spire 2 card rankings.

Across 53 recorded runs, decks running it win 26.9% of the time, comfortably clear of the 19.0% average, by 8.0%. It’s a more selective pick, turning up in just 1.4% of decks that could run it. Regent players keep it in 7.8% 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 Alignment — together they post a +21.5% swing in win rate. It also has strong chemistry with the relic Daughter of the Wind, which moves its win rate by +20.9%. At 0 energy, it’s upgraded in 34.9% of runs and usually joins the deck around floor 16.

Upgraded, it gains +11 Damage, which is why so many decks invest a rest-site upgrade in it. That’s 14 wins, 38 deaths, and 1 abandoned runs with it in the deck. The encounter that most often ends a run carrying it is Test Subject Boss, which closes out 7.5% of its appearances. Read on for Comet’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Regent run.

Best Cards to Pair with Comet

Ranked by win-rate lift, Comet performs best alongside Alignment (+21.5%), Furnace (+18.8%), and Monarch's Gaze (+16.9%).

Alignment+21.5%10 runsFurnace+18.8%9 runsMonarch's Gaze+16.9%3 runsHeirloom Hammer+13.7%4 runsQuasar+13.6%9 runsBig Bang+12.4%7 runs

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

Comet Win Rate by Class

Comet is drafted only by the Regent, where it holds a 26.9% win rate across 53 runs.

The Regentappears in 7.8% of its runs (53 tracked)

Best Relics for Comet

Comet pairs best with the relics Daughter of the Wind (+20.9%), Anchor (+18.8%), and Juzu Bracelet (+17.7%), ranked by win-rate lift.

Daughter of the Wind+20.9%4 runsAnchor+18.8%9 runsJuzu Bracelet+17.7%5 runsBook of Five Rings+16.9%3 runsStrike Dummy+16.5%10 runsRegal Pillow+15.8%8 runs

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

Comet Card Details

Comet is a rare attack costing 0 energy; it’s upgraded in 34.9% of runs and usually picked up by floor 16.

Deal 33 damage. Apply 3 Weak. Apply 3 Vulnerable.

Upgrade: +11 Damage

What Ends Runs with Comet

Comet’s most common run-enders are Test Subject Boss (7.5%), Decimillipede Elite (5.7%), and Knowledge Demon Boss (5.7%).

• Test Subject Boss7.5% of runs
• Decimillipede Elite5.7% of runs
• Knowledge Demon Boss5.7% of runs
• Infested Prisms Elite5.7% of runs
• Exoskeletons Weak3.8% of runs

See Also

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