Quadcast•Skill

Is Quadcast good in Slay the Spire 2?

Quadcast is an ancient Defect skill in Slay the Spire 2. In combat it resolves as: Evoke your rightmost Orb times. It currently underperforms most alternatives, sitting at F tier in our Slay the Spire 2 card rankings.

Across 16 recorded runs, decks running it win 18.8% of the time, right in line with the typical deck. It’s a more selective pick, turning up in just 0.4% of decks that could run it. Defect players keep it in 2.7% 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.

It performs best next to Shadow Shield — together they post a +11.1% swing in win rate. It also has strong chemistry with the relic Anchor, which moves its win rate by +11.1%. At 1 energy, it’s upgraded in 64.7% of runs and usually joins the deck around floor 18.

Upgraded, it gains -1 EnergyCost, which is why so many decks invest a rest-site upgrade in it. That’s 3 wins, 13 deaths, and 0 abandoned runs with it in the deck. The encounter that most often ends a run carrying it is Slumbering Beetle Normal, which closes out 12.5% of its appearances. Read on for Quadcast’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Defect run.

Best Cards to Pair with Quadcast

Ranked by win-rate lift, Quadcast performs best alongside Shadow Shield (+11.1%), Compact (+11.1%), and Darkness (+8.9%).

Shadow Shield+11.1%3 runsCompact+11.1%3 runsDarkness+8.9%4 runsBuffer+8.9%4 runsMachine Learning+8.9%4 runsExterminate+7.1%5 runs

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

Quadcast Win Rate by Class

Quadcast is drafted only by the Defect, where it holds a 18.8% win rate across 16 runs.

The Defectappears in 2.7% of its runs (16 tracked)

Best Relics for Quadcast

Quadcast pairs best with the relics Anchor (+11.1%), Whetstone (+3.4%), and Eternal Feather (+3.4%), ranked by win-rate lift.

Anchor+11.1%3 runsWhetstone+3.4%3 runsEternal Feather+3.4%3 runsPotion Belt+3.4%3 runsBlood Vial+3.4%3 runsStone Calendar+3.4%3 runs

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

Quadcast Card Details

Quadcast is an ancient skill costing 1 energy; it’s upgraded in 64.7% of runs and usually picked up by floor 18.

Evoke your rightmost Orb times.

Upgrade: -1 EnergyCost

What Ends Runs with Quadcast

Quadcast’s most common run-enders are Slumbering Beetle Normal (12.5%) and Knights Elite (12.5%).

• Slumbering Beetle Normal12.5% of runs
• Knights Elite12.5% of runs

See Also

Compare Quadcast with the rest of the best Slay the Spire 2 cards, relics, and classes below.