ImperviousSkill
Gain 30 Block.
Is Impervious good in Slay the Spire 2?
In Slay the Spire 2, Impervious is a rare skill from the Ironclad card pool. Its effect: Gain 30 Block. The data flags it as a weaker pick, settling at D tier — usually one to pass on unless your deck specifically wants it.
Over 1 tracked runs its win rate sits at 0.0%, 12.6% short of the 12.6% all-deck baseline. It sees niche play, included in only 0.2% of eligible runs. Within Ironclad runs it’s drafted 2.0% of the time, making it a regular part of that class’s decks. Decks that include it run about 1.0 copies on average.
It costs 2 energy, gets upgraded 0.0% of the time, and tends to be picked up near floor 17.
Upgrading the card adds +10 Block to its stat line. Of the runs that drafted it, 0 ended in victory against 1 deaths and 0 abandons. See the synergies, class split, and threats below for the full picture of where Impervious fits a Ironclad deck.
Impervious Win Rate & Pick Rate
At a 0.0% win rate, Impervious runs 12.6% behind the 12.6% all-deck baseline — the bars below put the two side by side.
Run Outcomes with Impervious
Across the 1 tracked runs that drafted Impervious, 0 ended in a win and 1 in a loss — a 0.0% win share, counting abandons as losses.
- Wins 0.0%
- Losses 100.0%
Impervious Win Rate by Class
Exclusive to the Ironclad, Impervious posts a 0.0% win rate over 1 tracked runs.
The Ironcladappears in 2.0% of its runs (1 tracked)Impervious Card Details
A 2-energy rare skill, Impervious is upgraded 0.0% of the time and tends to enter the deck around floor 17.
Gain 30 Block.
Upgrade: +10 Block
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Impervious – Frequently Asked Questions
Is Impervious good in Slay the Spire 2?
Across 1 tracked runs, Impervious has a 0.0% win rate — +12.6% below the average deck. Win rate reflects how often runs that include the card end in victory.
What does Impervious do in Slay the Spire 2?
Impervious costs 2 energy. Gain 30 Block.
What class is Impervious in Slay the Spire 2?
Impervious is a Rare Ironclad Skill.
Is Impervious worth upgrading in Slay the Spire 2?
Players upgrade Impervious in 0.0% of runs. Upgrading it grants +10 Block.
See Also
Keep exploring Slay the Spire 2 tier lists and stats below.