Quasar•Skill

Is Quasar good in Slay the Spire 2?

In Slay the Spire 2, Quasar is an uncommon skill from the Regent card pool. Its effect: Choose 1 of 3 random Colorless cards to add into your Hand. Performance-wise it’s a solid if unspectacular include, rated C tier overall.

Over 78 tracked runs its win rate sits at 28.8%, 9.8% ahead of the 18.9% all-deck baseline. It sees niche play, included in only 2.1% of eligible runs. Within Regent runs it’s drafted 11.4% of the time, making it a regular part of that class’s decks. Decks that include it run about 1.1 copies on average.

Its standout pairing so far is Stardust, which lifts its win rate by +28.5% when the two share a deck. On the relic side, Gorget is its standout companion, worth a +25.6% win-rate swing alongside it. It costs 0 energy, gets upgraded 29.6% of the time, and tends to be picked up near floor 11.

Of the runs that drafted it, 19 ended in victory against 47 deaths and 12 abandons. Its most common run-ender is Entomancer Elite, finishing 5.1% of the runs it shows up in. See the synergies, class split, and threats below for the full picture of where Quasar fits a Regent deck.

Best Cards to Pair with Quasar

Quasar’s strongest card pairings so far are Stardust (+28.5%), Glow (+20.8%), and Bulwark (+20.7%), each shown with the win-rate lift it adds.

Stardust+28.5%9 runsGlow+20.8%27 runsBulwark+20.7%16 runsBlack Hole+20.7%17 runsRoyal Gamble+20.7%13 runsThe Smith+20.4%6 runs

Based on small co-occurring samples — treat these as early signals, not final verdicts.

Quasar Win Rate by Class

Exclusive to the Regent, Quasar posts a 28.8% win rate over 78 tracked runs.

The Regentappears in 11.4% of its runs (78 tracked)

Best Relics for Quasar

The relics that swing Quasar’s win rate the most are Gorget (+25.6%), Pendulum (+23.0%), and Anchor (+20.7%), with each lift shown.

Gorget+25.6%10 runsPendulum+23.0%12 runsAnchor+20.7%12 runsCentennial Puzzle+20.6%10 runsNunchaku+20.5%9 runsVenerable Tea Set+18.5%14 runs

Based on small co-occurring samples — treat these as early signals, not final verdicts.

Quasar Card Details

A 0-energy uncommon skill, Quasar is upgraded 29.6% of the time and tends to enter the deck around floor 11.

Choose 1 of 3 random Colorless cards to add into your Hand.

What Ends Runs with Quasar

Runs holding Quasar end most often against Entomancer Elite (5.1%), Vantom Boss (5.1%), and The Kin Boss (3.8%) — the share of its runs each accounts for is shown.

• Entomancer Elite5.1% of runs
• Vantom Boss5.1% of runs
• The Kin Boss3.8% of runs
• Terror Eel Elite3.8% of runs
• Phrog Parasite Elite3.8% of runs

See Also

Keep exploring Slay the Spire 2 tier lists and stats below.