Call of the Void Power

Is Call of the Void good in Slay the Spire 2?

In Slay the Spire 2, Call of the Void is a rare power from the Necrobinder card pool. Its effect: At the start of your turn, add random cards into your Hand. They gain Ethereal. Performance-wise it’s a solid if unspectacular include, rated C tier overall.

Over 304 tracked runs its win rate sits at 32.0%, 18.2% ahead of the 13.8% all-deck baseline. It sees niche play, included in only 1.4% of eligible runs. Taken 35.2% of the times it is offered, it lands close to neutral on the pick-versus-skip split: 35.6% for runs that took it against 36.2% for runs that passed, a -0.6% pick lift over 247 decided runs. Within Necrobinder runs it’s drafted 8.2% 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 Mad Science, which lifts its win rate by +28.7% when the two share a deck. On the relic side, Fragrant Mushroom is its standout companion, worth a +33.0% win-rate swing alongside it. It costs 1 energy, gets upgraded 37.7% of the time, and tends to be picked up near floor 17.

Of the runs that drafted it, 97 ended in victory against 206 deaths and 1 abandons. Its most common run-ender is Decimillipede Elite, finishing 6.3% of the runs it shows up in. See the synergies, class split, and threats below for the full picture of where Call of the Void fits a Necrobinder deck.

Pick or Skip: Call of the Void

Players take Call of the Void in 35.2% of the 736 offers it appears in; those runs win 35.6% against 36.2% for runs that passed, a pick lift of -0.6% over 247 decided runs.

Taken 259 times out of 736 offers.

Pick rate when offered counts offers, not runs: out of every time the game put this in front of a player, how often it was taken. It is not the same number as the share of runs that end up containing it.

Pick lift is the sample-adjusted gap between runs that took the option and runs that passed on it. It is the fair way to rank choices, because raw win rates put the smallest samples on top.

When to Pick Up Call of the Void

Of the 4 pickup windows recorded for Call of the Void, Act 2 is the best: 53.8% across 80 runs.

Win rate of runs by the act Call of the Void entered the deck. Acts that have not reached the sample floor show their run count only.

Best Cards to Pair with Call of the Void

Call of the Void’s strongest card pairings so far are Mad Science (+28.7%), Banshee's Cry (+25.7%), and Spirit of Ash (+24.0%), each shown with the win-rate lift it adds.

Mad Science+28.7%20 runsBanshee's Cry+25.7%25 runsSpirit of Ash+24.0%35 runsPagestorm+21.5%39 runsLegion of Bone+20.8%15 runsSquash+20.4%19 runs

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

Call of the Void Win Rate by Class

Exclusive to the Necrobinder, Call of the Void posts a 32.0% win rate over 298 tracked runs.

The Necrobinderappears in 8.2% of its runs (298 tracked)

Best Relics for Call of the Void

The relics that swing Call of the Void’s win rate the most are Fragrant Mushroom (+33.0%), Happy Flower (+30.4%), and Ornamental Fan (+27.4%), with each lift shown.

Fragrant Mushroom+33.0%18 runsHappy Flower+30.4%56 runsOrnamental Fan+27.4%24 runsBone Flute+26.1%42 runsOddly Smooth Stone+25.7%51 runsRegal Pillow+25.5%46 runs

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

Call of the Void Card Details

A 1-energy rare power, Call of the Void is upgraded 37.7% of the time and tends to enter the deck around floor 17.

At the start of your turn, add random cards into your Hand. They gain Ethereal.

What Ends Runs with Call of the Void

Runs holding Call of the Void end most often against Decimillipede Elite (6.3%), Infested Prisms Elite (5.3%), and Test Subject Boss (4.3%) — the share of its runs each accounts for is shown.

• Decimillipede Elite6.3% of runs
• Infested Prisms Elite5.3% of runs
• Test Subject Boss4.3% of runs
• Kaiser Crab Boss3.9% of runs
• Aeonglass Boss3.6% of runs

See Also

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