Gunk UpAttack
Deal 4 damage times. Add a Slimed into your Discard Pile.
Is Gunk Up good in Slay the Spire 2?
In Slay the Spire 2, Gunk Up is a common attack from the Defect card pool. Its effect: Deal 4 damage times. Add a Slimed into your Discard Pile. Right now it’s a premium pick that sits at B tier — one of the better cards you can add to a deck this run.
Over 4 tracked runs its win rate sits at 25.0%, 12.4% ahead of the 12.6% all-deck baseline. It sees niche play, included in only 0.8% of eligible runs. Within Defect runs it’s drafted 14.3% of the time, making it a regular part of that class’s decks. Decks that include it run about 2.3 copies on average.
Its standout pairing so far is Overclock, which lifts its win rate by +8.3% when the two share a deck. On the relic side, Meal Ticket is its standout companion, worth a +8.3% win-rate swing alongside it. It costs 1 energy, gets upgraded 22.2% of the time, and tends to be picked up near floor 5.
Upgrading the card adds +1 Damage to its stat line. Of the runs that drafted it, 1 ended in victory against 3 deaths and 0 abandons. See the synergies, class split, and threats below for the full picture of where Gunk Up fits a Defect deck.
Gunk Up Win Rate & Pick Rate
At a 25.0% win rate, Gunk Up runs 12.4% ahead of the 12.6% all-deck baseline — the bars below put the two side by side.
Run Outcomes with Gunk Up
Across the 4 tracked runs that drafted Gunk Up, 1 ended in a win and 3 in a loss — a 25.0% win share, counting abandons as losses.
- Wins 25.0%
- Losses 75.0%
Gunk Up Win Rate by Class
Exclusive to the Defect, Gunk Up posts a 25.0% win rate over 4 tracked runs.
The Defectappears in 14.3% of its runs (4 tracked)Best Relics for Gunk Up
The relics that swing Gunk Up’s win rate the most are Meal Ticket (+8.3%) and Cracked Core (0.0%), with each lift shown.
Based on small co-occurring samples — treat these as early signals, not final verdicts.
Gunk Up Card Details
A 1-energy common attack, Gunk Up is upgraded 22.2% of the time and tends to enter the deck around floor 5.
Deal 4 damage times. Add a Slimed into your Discard Pile.
Upgrade: +1 Damage
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Gunk Up – Frequently Asked Questions
Is Gunk Up good in Slay the Spire 2?
Across 4 tracked runs, Gunk Up has a 25.0% win rate — +12.4% above the average deck. Win rate reflects how often runs that include the card end in victory.
What does Gunk Up do in Slay the Spire 2?
Gunk Up costs 1 energy. Deal 4 damage times. Add a Slimed into your Discard Pile.
What class is Gunk Up in Slay the Spire 2?
Gunk Up is a Common Defect Attack.
Is Gunk Up worth upgrading in Slay the Spire 2?
Players upgrade Gunk Up in 22.2% of runs. Upgrading it grants +1 Damage.
What is the best relic for Gunk Up?
In tracked runs, Gunk Up has performed best alongside Meal Ticket, which lifts its win rate by +8.3% over 3 runs together.
See Also
Keep exploring Slay the Spire 2 tier lists and stats below.