Flame BarrierSkill
Gain 12 Block. Whenever you are attacked this turn, deal damage back.
Is Flame Barrier good in Slay the Spire 2?
In Slay the Spire 2, Flame Barrier is an uncommon skill from the Ironclad card pool. Its effect: Gain 12 Block. Whenever you are attacked this turn, deal damage back. The data flags it as a weaker pick, settling at D tier — usually one to pass on unless your deck specifically wants it.
Over 3 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 0.6% of eligible runs. Within Ironclad runs it’s drafted 6.1% of the time, making it a regular part of that class’s decks. Decks that include it run about 1.3 copies on average.
Its standout pairing so far is Bash, which lifts its win rate by 0.0% 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 2 energy, gets upgraded 50.0% of the time, and tends to be picked up near floor 24.
Upgrading the card adds +4 Block to its stat line. Of the runs that drafted it, 0 ended in victory against 3 deaths and 0 abandons. See the synergies, class split, and threats below for the full picture of where Flame Barrier fits a Ironclad deck.
Flame Barrier Win Rate & Pick Rate
At a 0.0% win rate, Flame Barrier runs 12.6% behind the 12.6% all-deck baseline — the bars below put the two side by side.
Run Outcomes with Flame Barrier
Across the 3 tracked runs that drafted Flame Barrier, 0 ended in a win and 3 in a loss — a 0.0% win share, counting abandons as losses.
- Wins 0.0%
- Losses 100.0%
Flame Barrier Win Rate by Class
Exclusive to the Ironclad, Flame Barrier posts a 0.0% win rate over 3 tracked runs.
The Ironcladappears in 6.1% of its runs (3 tracked)Best Relics for Flame Barrier
The relics that swing Flame Barrier’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.
Flame Barrier Card Details
A 2-energy uncommon skill, Flame Barrier is upgraded 50.0% of the time and tends to enter the deck around floor 24.
Gain 12 Block. Whenever you are attacked this turn, deal damage back.
Upgrade: +4 Block
Help us maintain accuracy! If you notice incorrect stats, missing data, or any issues, your feedback directly improves the quality of our data for the entire community.
Flame Barrier – Frequently Asked Questions
Is Flame Barrier good in Slay the Spire 2?
Across 3 tracked runs, Flame Barrier 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 Flame Barrier do in Slay the Spire 2?
Flame Barrier costs 2 energy. Gain 12 Block. Whenever you are attacked this turn, deal damage back.
What class is Flame Barrier in Slay the Spire 2?
Flame Barrier is an Uncommon Ironclad Skill.
Is Flame Barrier worth upgrading in Slay the Spire 2?
Players upgrade Flame Barrier in 50.0% of runs. Upgrading it grants +4 Block.
What is the best relic for Flame Barrier?
In tracked runs, Flame Barrier has performed best alongside Burning Blood, which lifts its win rate by 0.0% over 3 runs together.
See Also
Keep exploring Slay the Spire 2 tier lists and stats below.