Antewise

Supermassive — Regent Attack Card in Slay the Spire 2

Updated 17 Oct 2026 Source Slay the Spire 2 card data (spire-codex.com API), 577 cards retrieved 17 October 2026 By
Data status: The facts on this page were checked against the source named above. Game values can still shift with a patch, so re-check anything that looks off.
Supermassive card art
Supermassive

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

CharacterRegent
TypeAttack
RarityUncommon
Cost1 Energy
TargetAnyEnemy
Total damage5
Per Energy5.00 → 5.00 upgraded

Card text

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

Upgraded: Deal 5 damage. Deals 4 additional damage for each card you created this combat.

Where it sits on the curve

Measured the same way as our efficiency tier list: total damage divided by Energy.

Supermassive produces 5.00 per Energy at base . That ranks it 128 of 143 of the 143 attacks with a fixed cost. It sits in the top 11% on this measure.

The measure ignores everything that is not a number. Area damage, conditions and drawbacks are not priced in.

Other Regent cards at 1 Energy

  • Arsenal — Whenever you create a card, gain 1 Strength.
  • BEGONE! — Choose a card in your Hand to Transform into Minion Strike.
  • Beat into Shape — Deal 5 damage. Forge X. Forges an additional 5 for every other time you've hit the enemy t
  • Black Hole — Whenever you spend or gain 1 Stars, deal 3 damage to ALL enemies.
  • Bundle of Joy — Add 3 random Colorless cards into your Hand.
  • CHARGE!! — Choose 2 cards in your Draw Pile to Transform into Minion Dive Bombs.

Where to go next

All 577 cards — the full table, filterable by character. Efficiency tier list — every measurable card ranked.

Rarity system explains how often this card appears. Enchantments covers the modifiers that can change it.

Frequently asked questions

What does Supermassive do in Slay the Spire 2?

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

What does upgrading Supermassive change?

Deal 5 damage. Deals 4 additional damage for each card you created this combat.

How much does Supermassive cost?

1 Energy. It is a Uncommon Attack card.

Is Supermassive efficient for its cost?

It produces 5.00 damage per Energy, which ranks 128 of 143 among the attacks that can be measured this way.

More Slay the Spire 2 guides

Sources

Figures and item data on this site are read from the game’s own reference wiki before publishing. Where a value could not be confirmed there, the page says so instead of filling the gap.