Heavenly Drill•Attack

Is Heavenly Drill good in Slay the Spire 2?

Heavenly Drill is a rare Regent attack in Slay the Spire 2. In combat it resolves as: Deal 8 damage X times. Double X if it's or more. It currently underperforms most alternatives, sitting at F tier in our Slay the Spire 2 card rankings.

Across 19 recorded runs, decks running it win 21.1% of the time, comfortably clear of the 18.9% average, by 2.1%. It’s a more selective pick, turning up in just 0.5% of decks that could run it. Regent players keep it in 2.8% 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 Cosmic Indifference — together they post a +10.5% swing in win rate. It also has strong chemistry with the relic Petrified Toad, which moves its win rate by +18.2%. At X energy, it’s upgraded in 40.9% of runs and usually joins the deck around floor 15.

Upgraded, it gains +2 Damage, which is why so many decks invest a rest-site upgrade in it. That’s 4 wins, 15 deaths, and 0 abandoned runs with it in the deck. The encounter that most often ends a run carrying it is Kaiser Crab Boss, which closes out 10.5% of its appearances. Read on for Heavenly Drill’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Regent run.

Best Cards to Pair with Heavenly Drill

Ranked by win-rate lift, Heavenly Drill performs best alongside Cosmic Indifference (+10.5%), Monologue (+10.5%), and Bulwark (+8.3%).

Cosmic Indifference+10.5%3 runsMonologue+10.5%3 runsBulwark+8.3%4 runsClumsy+8.3%4 runsDying Star+8.3%4 runsPatter+8.3%4 runs

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

Heavenly Drill Win Rate by Class

Heavenly Drill is drafted only by the Regent, where it holds a 21.1% win rate across 19 runs.

The Regentappears in 2.8% of its runs (19 tracked)

Best Relics for Heavenly Drill

Heavenly Drill pairs best with the relics Petrified Toad (+18.2%), Fencing Manual (+10.5%), and Vajra (+10.5%), ranked by win-rate lift.

Petrified Toad+18.2%3 runsFencing Manual+10.5%3 runsVajra+10.5%3 runsReptile Trinket+10.5%3 runsGorget+10.5%3 runsHappy Flower+8.3%4 runs

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

Heavenly Drill Card Details

Heavenly Drill is a rare attack costing X energy; it’s upgraded in 40.9% of runs and usually picked up by floor 15.

Deal 8 damage X times. Double X if it's or more.

Upgrade: +2 Damage

What Ends Runs with Heavenly Drill

Heavenly Drill’s most common run-enders are Kaiser Crab Boss (10.5%), Soul Fysh Boss (10.5%), and Lagavulin Matriarch Boss (10.5%).

• Kaiser Crab Boss10.5% of runs
• Soul Fysh Boss10.5% of runs
• Lagavulin Matriarch Boss10.5% of runs
• Test Subject Boss10.5% of runs

See Also

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