Bubble Bubble•Skill

Is Bubble Bubble good in Slay the Spire 2?

In Slay the Spire 2, Bubble Bubble is an uncommon skill from the Silent card pool. Its effect: If the enemy has Poison, apply 9 Poison. The data flags it as a weaker pick, settling at D tier — usually one to pass on unless your deck specifically wants it.

Over 11 tracked runs its win rate sits at 11.1%, 1.5% short of the 12.6% all-deck baseline. It sees niche play, included in only 2.1% of eligible runs. Within Silent runs it’s drafted 10.6% of the time, making it a regular part of that class’s decks. Decks that include it run about 1.0 copies on average.

Its standout pairing so far is Tools of the Trade, which lifts its win rate by +22.2% when the two share a deck. On the relic side, Arcane Scroll is its standout companion, worth a +38.9% win-rate swing alongside it. It costs 1 energy, gets upgraded 18.2% of the time, and tends to be picked up near floor 15.

Upgrading the card adds +3 Poison to its stat line. Of the runs that drafted it, 1 ended in victory against 8 deaths and 2 abandons. Its most common run-ender is Knowledge Demon Boss, finishing 18.2% of the runs it shows up in. See the synergies, class split, and threats below for the full picture of where Bubble Bubble fits a Silent deck.

Best Cards to Pair with Bubble Bubble

Bubble Bubble’s strongest card pairings so far are Tools of the Trade (+22.2%), Noxious Fumes (+22.2%), and Flick-Flack (+13.9%), each shown with the win-rate lift it adds.

Tools of the Trade+22.2%3 runsNoxious Fumes+22.2%4 runsFlick-Flack+13.9%5 runsDagger Throw+13.9%4 runsSnakebite+13.9%5 runsPrepared+1.4%8 runs

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

Bubble Bubble Win Rate by Class

Exclusive to the Silent, Bubble Bubble posts a 11.1% win rate over 11 tracked runs.

The Silentappears in 10.6% of its runs (11 tracked)

Best Relics for Bubble Bubble

The relics that swing Bubble Bubble’s win rate the most are Arcane Scroll (+38.9%), Book of Five Rings (+13.9%), and Ring of the Snake (0.0%), with each lift shown.

Arcane Scroll+38.9%3 runsBook of Five Rings+13.9%4 runsRing of the Snake0.0%11 runsAnchor-11.1%3 runsLantern-11.1%4 runs

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

Bubble Bubble Card Details

A 1-energy uncommon skill, Bubble Bubble is upgraded 18.2% of the time and tends to enter the deck around floor 15.

If the enemy has Poison, apply 9 Poison.

Upgrade: +3 Poison

What Ends Runs with Bubble Bubble

Runs holding Bubble Bubble end most often against Knowledge Demon Boss (18.2%) — the share of its runs each accounts for is shown.

• Knowledge Demon Boss18.2% of runs

See Also

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