Supermassive•Attack

Is Supermassive good in Slay the Spire 2?

In Slay the Spire 2, Supermassive is an uncommon attack from the Regent card pool. Its effect: Deal 5 damage. Deals 3 additional damage for each card you created this combat. Performance-wise it’s a solid if unspectacular include, rated C tier overall.

Over 26 tracked runs its win rate sits at 19.2%, 6.6% ahead of the 12.6% all-deck baseline. It sees niche play, included in only 5.0% of eligible runs. Within Regent runs it’s drafted 15.7% of the time, making it a regular part of that class’s decks. Decks that include it run about 1.1 copies on average.

Its standout pairing so far is Devastate, which lifts its win rate by +55.8% when the two share a deck. On the relic side, Pendulum is its standout companion, worth a +80.8% win-rate swing alongside it. It costs 1 energy, gets upgraded 33.3% of the time, and tends to be picked up near floor 10.

Upgrading the card adds +1 ExtraDamage to its stat line. Of the runs that drafted it, 5 ended in victory against 21 deaths and 0 abandons. Its most common run-ender is Waterfall Giant Boss, finishing 11.5% of the runs it shows up in. See the synergies, class split, and threats below for the full picture of where Supermassive fits a Regent deck.

Best Cards to Pair with Supermassive

Supermassive’s strongest card pairings so far are Devastate (+55.8%), Spoils of Battle (+47.4%), and Glow (+47.4%), each shown with the win-rate lift it adds.

Devastate+55.8%4 runsSpoils of Battle+47.4%3 runsGlow+47.4%3 runsNeutron Aegis+47.4%3 runsMayhem+47.4%3 runsCrush Under+40.8%5 runs

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

Supermassive Win Rate by Class

Exclusive to the Regent, Supermassive posts a 19.2% win rate over 26 tracked runs.

The Regentappears in 15.7% of its runs (26 tracked)

Best Relics for Supermassive

The relics that swing Supermassive’s win rate the most are Pendulum (+80.8%), Red Mask (+55.8%), and War Paint (+55.8%), with each lift shown.

Pendulum+80.8%4 runsRed Mask+55.8%4 runsWar Paint+55.8%4 runsOddly Smooth Stone+47.4%3 runsHorn Cleat+47.4%3 runsGorget+47.4%3 runs

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

Supermassive Card Details

A 1-energy uncommon attack, Supermassive is upgraded 33.3% of the time and tends to enter the deck around floor 10.

Deal 5 damage. Deals 3 additional damage for each card you created this combat.

Upgrade: +1 ExtraDamage

What Ends Runs with Supermassive

Runs holding Supermassive end most often against Waterfall Giant Boss (11.5%), Decimillipede Elite (11.5%), and Terror Eel Elite (7.7%) — the share of its runs each accounts for is shown.

• Waterfall Giant Boss11.5% of runs
• Decimillipede Elite11.5% of runs
• Terror Eel Elite7.7% of runs

See Also

Keep exploring Slay the Spire 2 tier lists and stats below.