ColossusSkill
Gain 5 Block. You receive 50% less damage from Vulnerable enemies this turn.
Is Colossus good in Slay the Spire 2?
In Slay the Spire 2, Colossus is an uncommon skill from the Ironclad card pool. Its effect: Gain 5 Block. You receive 50% less damage from Vulnerable enemies this turn. The data flags it as a weaker pick, settling at D tier — usually one to pass on unless your deck specifically wants it.
Over 7 tracked runs its win rate sits at 14.3%, 1.7% ahead of the 12.6% all-deck baseline. It sees niche play, included in only 1.4% of eligible runs. Within Ironclad runs it’s drafted 14.3% of the time, making it a regular part of that class’s decks. Decks that include it run about 1.0 copies on average.
Its standout pairing so far is Tremble, which lifts its win rate by +19.0% when the two share a deck. On the relic side, Burning Blood is its standout companion, worth a 0.0% win-rate swing alongside it. It costs 1 energy, gets upgraded 0.0% of the time, and tends to be picked up near floor 11.
Upgrading the card adds +3 Block to its stat line. Of the runs that drafted it, 1 ended in victory against 6 deaths and 0 abandons. See the synergies, class split, and threats below for the full picture of where Colossus fits a Ironclad deck.
Colossus Win Rate & Pick Rate
At a 14.3% win rate, Colossus runs 1.7% ahead of the 12.6% all-deck baseline — the bars below put the two side by side.
Run Outcomes with Colossus
Across the 7 tracked runs that drafted Colossus, 1 ended in a win and 6 in a loss — a 14.3% win share, counting abandons as losses.
- Wins 14.3%
- Losses 85.7%
Colossus Win Rate by Class
Exclusive to the Ironclad, Colossus posts a 14.3% win rate over 7 tracked runs.
The Ironcladappears in 14.3% of its runs (7 tracked)Best Relics for Colossus
The relics that swing Colossus’s win rate the most are Burning Blood (0.0%), with each lift shown.
Based on small co-occurring samples — treat these as early signals, not final verdicts.
Colossus Card Details
A 1-energy uncommon skill, Colossus is upgraded 0.0% of the time and tends to enter the deck around floor 11.
Gain 5 Block. You receive 50% less damage from Vulnerable enemies this turn.
Upgrade: +3 Block
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Colossus – Frequently Asked Questions
Is Colossus good in Slay the Spire 2?
Across 7 tracked runs, Colossus has a 14.3% win rate — +1.7% above the average deck. Win rate reflects how often runs that include the card end in victory.
What does Colossus do in Slay the Spire 2?
Colossus costs 1 energy. Gain 5 Block. You receive 50% less damage from Vulnerable enemies this turn.
What class is Colossus in Slay the Spire 2?
Colossus is an Uncommon Ironclad Skill.
Is Colossus worth upgrading in Slay the Spire 2?
Players upgrade Colossus in 0.0% of runs. Upgrading it grants +3 Block.
What is the best relic for Colossus?
In tracked runs, Colossus has performed best alongside Burning Blood, which lifts its win rate by 0.0% over 7 runs together.
See Also
Keep exploring Slay the Spire 2 tier lists and stats below.