Null•Attack

Is Null good in Slay the Spire 2?

In Slay the Spire 2, Null is an uncommon attack from the Defect card pool. Its effect: Deal 10 damage. Apply 2 Weak. Channel 1 Dark. Performance-wise it’s a solid if unspectacular include, rated C tier overall.

Over 43 tracked runs its win rate sits at 28.9%, 10.0% ahead of the 18.9% all-deck baseline. It sees niche play, included in only 1.1% of eligible runs. Within Defect runs it’s drafted 7.2% 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 Glacier, which lifts its win rate by +18.2% when the two share a deck. On the relic side, Bag of Marbles is its standout companion, worth a +17.5% win-rate swing alongside it. It costs 2 energy, gets upgraded 34.0% of the time, and tends to be picked up near floor 18.

Upgrading the card adds +3 Damage, +1 Weak to its stat line. Of the runs that drafted it, 11 ended in victory against 27 deaths and 5 abandons. Its most common run-ender is Queen Boss, finishing 9.3% of the runs it shows up in. See the synergies, class split, and threats below for the full picture of where Null fits a Defect deck.

Best Cards to Pair with Null

Null’s strongest card pairings so far are Glacier (+18.2%), Skim (+17.9%), and Smokestack (+16.4%), each shown with the win-rate lift it adds.

Glacier+18.2%11 runsSkim+17.9%10 runsSmokestack+16.4%3 runsSupercritical+14.1%6 runsHologram+14.1%14 runsWhite Noise+12.6%12 runs

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

Null Win Rate by Class

Of the 2 classes that draft Null, it performs best with Defect (28.9%) and Ironclad (0.0%).

The Defect28.9%42 runsThe Ironclad0.0%1 runs

Best Relics for Null

The relics that swing Null’s win rate the most are Bag of Marbles (+17.5%), Strawberry (+17.5%), and Data Disk (+17.0%), with each lift shown.

Bag of Marbles+17.5%7 runsStrawberry+17.5%8 runsData Disk+17.0%5 runsMeal Ticket+16.4%3 runsCloak Clasp+16.4%3 runsVenerable Tea Set+14.1%6 runs

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

Null Card Details

A 2-energy uncommon attack, Null is upgraded 34.0% of the time and tends to enter the deck around floor 18.

Deal 10 damage. Apply 2 Weak. Channel 1 Dark.

Upgrade: +3 Damage, +1 Weak

What Ends Runs with Null

Runs holding Null end most often against Queen Boss (9.3%), Test Subject Boss (7.0%), and Knowledge Demon Boss (7.0%) — the share of its runs each accounts for is shown.

• Queen Boss9.3% of runs
• Test Subject Boss7.0% of runs
• Knowledge Demon Boss7.0% of runs
• Aeonglass Boss4.7% of runs
• Mytes Normal4.7% of runs

See Also

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