Byrd SwoopAttack
Deal 14 damage.
Is Byrd Swoop good in Slay the Spire 2?
Byrd Swoop is an event Event attack in Slay the Spire 2. In combat it resolves as: Deal 14 damage. It currently underperforms most alternatives, sitting at D tier in our Slay the Spire 2 card rankings.
Across 13 recorded runs, decks running it win 7.7% of the time, trailing the 12.6% average by 4.9%. It’s a more selective pick, turning up in just 2.5% of decks that could run it. Ironclad players keep it in 6.1% 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 Anger — together they post a +25.6% swing in win rate. It also has strong chemistry with the relic Burning Blood, which moves its win rate by +25.6%. At 0 energy, it’s upgraded in 53.9% of runs and usually joins the deck around floor 10.
Upgraded, it gains +4 Damage, which is why so many decks invest a rest-site upgrade in it. That’s 1 wins, 12 deaths, and 0 abandoned runs with it in the deck. The encounter that most often ends a run carrying it is Vantom Boss, which closes out 23.1% of its appearances. Read on for Byrd Swoop’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Event run.
Byrd Swoop Win Rate & Pick Rate
Byrd Swoop’s 7.7% win rate trails the 12.6% all-deck average by 4.9%, the gap charted below.
Run Outcomes with Byrd Swoop
Byrd Swoop has 1 wins and 12 losses over 13 tracked runs (7.7% won); abandoned runs count as losses.
- Wins 7.7%
- Losses 92.3%
Byrd Swoop Win Rate by Class
Byrd Swoop is played across 5 classes, led by Ironclad (33.3%), Regent (0.0%), and Necrobinder (0.0%) by win rate.
Best Relics for Byrd Swoop
Byrd Swoop pairs best with the relics Burning Blood (+25.6%), Vajra (+25.6%), and Ornamental Fan (+25.6%), ranked by win-rate lift.
Based on small co-occurring samples — treat these as early signals, not final verdicts.
Byrd Swoop Card Details
Byrd Swoop is an event attack costing 0 energy; it’s upgraded in 53.9% of runs and usually picked up by floor 10.
Deal 14 damage.
Upgrade: +4 Damage
What Ends Runs with Byrd Swoop
Byrd Swoop’s most common run-enders are Vantom Boss (23.1%) and The Kin Boss (15.4%).
- Vantom Boss23.1% of runs
- The Kin Boss15.4% of runs
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.
Byrd Swoop – Frequently Asked Questions
Is Byrd Swoop good in Slay the Spire 2?
Across 13 tracked runs, Byrd Swoop has a 7.7% win rate — +4.9% below the average deck. Win rate reflects how often runs that include the card end in victory.
What does Byrd Swoop do in Slay the Spire 2?
Byrd Swoop costs 0 energy. Deal 14 damage.
What class is Byrd Swoop in Slay the Spire 2?
Byrd Swoop is an Event Event Attack.
Is Byrd Swoop worth upgrading in Slay the Spire 2?
Players upgrade Byrd Swoop in 53.9% of runs. Upgrading it grants +4 Damage.
What is the best relic for Byrd Swoop?
In tracked runs, Byrd Swoop has performed best alongside Burning Blood, which lifts its win rate by +25.6% over 3 runs together.
See Also
Compare Byrd Swoop with the rest of the best Slay the Spire 2 cards, relics, and classes below.