Flash of SteelAttack
Deal 5 damage. Draw 1 card.
Is Flash of Steel good in Slay the Spire 2?
Flash of Steel is an uncommon Colorless attack in Slay the Spire 2. In combat it resolves as: Deal 5 damage. Draw 1 card. It currently underperforms most alternatives, sitting at D tier in our Slay the Spire 2 card rankings.
Across 5 recorded runs, decks running it win 0.0% of the time, trailing the 12.6% average by 12.6%. It’s a more selective pick, turning up in just 1.0% of decks that could run it. Necrobinder players keep it in 2.3% of their runs, so it’s a familiar sight in those decks. On average it shows up 1.0 times in the decks that take it.
It performs best next to Ascender's Bane — together they post a 0.0% swing in win rate. It also has strong chemistry with the relic Bound Phylactery, which moves its win rate by 0.0%. At 0 energy, it’s upgraded in 0.0% of runs and usually joins the deck around floor 21.
Upgraded, it gains +3 Damage, which is why so many decks invest a rest-site upgrade in it. That’s 0 wins, 5 deaths, and 0 abandoned runs with it in the deck. Read on for Flash of Steel’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Colorless run.
Flash of Steel Win Rate & Pick Rate
Flash of Steel’s 0.0% win rate trails the 12.6% all-deck average by 12.6%, the gap charted below.
Run Outcomes with Flash of Steel
Flash of Steel has 0 wins and 5 losses over 5 tracked runs (0.0% won); abandoned runs count as losses.
- Wins 0.0%
- Losses 100.0%
Best Cards to Pair with Flash of Steel
Ranked by win-rate lift, Flash of Steel performs best alongside Ascender's Bane (0.0%), Bodyguard (0.0%), and Defend (0.0%).
Based on small co-occurring samples — treat these as early signals, not final verdicts.
Flash of Steel Win Rate by Class
Flash of Steel is played across 2 classes, led by Necrobinder (0.0%) and Silent (0.0%) by win rate.
Best Relics for Flash of Steel
Flash of Steel pairs best with the relics Bound Phylactery (0.0%), ranked by win-rate lift.
Based on small co-occurring samples — treat these as early signals, not final verdicts.
Flash of Steel Card Details
Flash of Steel is an uncommon attack costing 0 energy; it’s upgraded in 0.0% of runs and usually picked up by floor 21.
Deal 5 damage. Draw 1 card.
Upgrade: +3 Damage
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Flash of Steel – Frequently Asked Questions
Is Flash of Steel good in Slay the Spire 2?
Across 5 tracked runs, Flash of Steel 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 Flash of Steel do in Slay the Spire 2?
Flash of Steel costs 0 energy. Deal 5 damage. Draw 1 card.
What class is Flash of Steel in Slay the Spire 2?
Flash of Steel is an Uncommon Colorless Attack.
Is Flash of Steel worth upgrading in Slay the Spire 2?
Players upgrade Flash of Steel in 0.0% of runs. Upgrading it grants +3 Damage.
What is the best relic for Flash of Steel?
In tracked runs, Flash of Steel has performed best alongside Bound Phylactery, which lifts its win rate by 0.0% over 4 runs together.
See Also
Compare Flash of Steel with the rest of the best Slay the Spire 2 cards, relics, and classes below.