- Win Rate
- 0.0%
- Pick Rate
- 0.3%
- Δ vs Avg
- -13.9
Byrdonis Egg Quest
- Type
- Quest
- Rarity
- Quest
- Cost
- -
- Class
- Quest
- Methodology
- Data Methodology
- Author
- Dakota Chinnick
Can be hatched at a Rest Site.
Is Byrdonis Egg good in Slay the Spire 2?
Byrdonis Egg is a quest Quest quest in Slay the Spire 2. In combat it resolves as: Can be hatched at a Rest Site. It currently underperforms most alternatives, sitting at D tier in our Slay the Spire 2 card rankings.
Across 39 recorded runs, decks running it win 0.0% of the time, trailing the 13.9% average by 13.9%. It’s a more selective pick, turning up in just 0.3% of decks that could run it. Silent players keep it in 0.4% of their runs, so it’s a familiar sight in those decks. On average it shows up 1.1 times in the decks that take it.
At - energy, it’s upgraded in 0.0% of runs and usually joins the deck around floor 7.
That’s 0 wins, 37 deaths, and 2 abandoned runs with it in the deck. The encounter that most often ends a run carrying it is Phrog Parasite Elite, which closes out 23.1% of its appearances. Read on for Byrdonis Egg’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Quest run.
Byrdonis Egg Win Rate & Pick Rate
Byrdonis Egg’s 0.0% win rate trails the 13.9% all-deck average by 13.9%, the gap charted below.
Run Outcomes with Byrdonis Egg
Byrdonis Egg has 0 wins and 39 losses over 39 tracked runs (0.0% won); abandoned runs count as losses.
- Wins 0.0%
- Losses 100.0%
When to Pick Up Byrdonis Egg
Byrdonis Egg is strongest when it joins the deck in Act 1, where runs win 0.0% across 39 runs — one of 1 recorded pickup windows.
Win rate of runs by the act Byrdonis Egg entered the deck. Acts that have not reached the sample floor show their run count only.
Byrdonis Egg Win Rate by Class
Byrdonis Egg is drafted only by the Silent, where it holds a 0.0% win rate across 12 runs.
The Silentappears in 0.4% of its runs (12 tracked)Byrdonis Egg Card Details
Byrdonis Egg is a quest quest costing - energy; it’s upgraded in 0.0% of runs and usually picked up by floor 7.
Can be hatched at a Rest Site.
What Ends Runs with Byrdonis Egg
Byrdonis Egg’s most common run-enders are Phrog Parasite Elite (23.1%), Vantom Boss (12.8%), and Bygone Effigy Elite (12.8%).
- Phrog Parasite Elite23.1% of runs
- Vantom Boss12.8% of runs
- Bygone Effigy Elite12.8% of runs
- The Kin Boss10.3% of runs
- Ovicopter Normal5.1% of runs
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Byrdonis Egg – Frequently Asked Questions
Is Byrdonis Egg good in Slay the Spire 2?
Across 39 tracked runs, Byrdonis Egg has a 0.0% win rate — +13.9% below the average deck. Win rate reflects how often runs that include the card end in victory.
What does Byrdonis Egg do in Slay the Spire 2?
Byrdonis Egg costs - energy. Can be hatched at a Rest Site.
What class is Byrdonis Egg in Slay the Spire 2?
Byrdonis Egg is a Quest Quest Quest.
Is Byrdonis Egg worth upgrading in Slay the Spire 2?
Byrdonis Egg can be upgraded at a rest site to improve its effect.
See Also
Compare Byrdonis Egg with the rest of the best Slay the Spire 2 cards, relics, and classes below.