Momentum Strike Attack

Is Momentum Strike good in Slay the Spire 2?

In Slay the Spire 2, Momentum Strike is a common attack from the Defect card pool. Its effect: Deal 10 damage. Reduce this card's cost to 0 -cost. The data flags it as a weaker pick, settling at D tier — usually one to pass on unless your deck specifically wants it.

Over 577 tracked runs its win rate sits at 10.3%, 3.1% short of the 13.4% all-deck baseline. It sees niche play, included in only 3.5% of eligible runs. Offer data argues the other way: taken 18.6% of the time it is shown, runs that picked it win 9.7% against 17.0% for runs that passed — a -7.2% pick lift across 476 decided runs. Within Defect runs it’s drafted 15.7% of the time, making it a regular part of that class’s decks. Decks that include it run about 1.3 copies on average.

Its standout pairing so far is Ultimate Defend, which lifts its win rate by +20.3% when the two share a deck. On the relic side, Ice Cream is its standout companion, worth a +21.9% win-rate swing alongside it. It costs 1 energy, gets upgraded 19.8% of the time, and tends to be picked up near floor 11.

Upgrading the card adds +3 Damage to its stat line. Of the runs that drafted it, 58 ended in victory against 503 deaths and 16 abandons. Its most common run-ender is Knowledge Demon Boss, finishing 5.4% of the runs it shows up in. See the synergies, class split, and threats below for the full picture of where Momentum Strike fits a Defect deck.

Pick or Skip: Momentum Strike

Players take Momentum Strike in 18.6% of the 3151 offers it appears in; those runs win 9.7% against 17.0% for runs that passed, a pick lift of -7.2% over 476 decided runs.

Taken 587 times out of 3151 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 Momentum Strike

Of the 4 pickup windows recorded for Momentum Strike, Act 3 is the best: 25.0% across 28 runs.

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

Best Cards to Pair with Momentum Strike

Momentum Strike’s strongest card pairings so far are Ultimate Defend (+20.3%), Mad Science (+17.2%), and Synchronize (+16.8%), each shown with the win-rate lift it adds.

Ultimate Defend+20.3%26 runsMad Science+17.2%41 runsSynchronize+16.8%28 runsModded+15.9%55 runsDecay+15.7%17 runsShadow Shield+15.5%57 runs

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

Momentum Strike Win Rate by Class

Of the 2 classes that draft Momentum Strike, it performs best with Defect (10.3%) and Silent (10.0%).

The Defect10.3%558 runsThe Silent10.0%10 runs

Best Relics for Momentum Strike

The relics that swing Momentum Strike’s win rate the most are Ice Cream (+21.9%), Joss Paper (+17.9%), and Lizard Tail (+16.7%), with each lift shown.

Ice Cream+21.9%18 runsJoss Paper+17.9%22 runsLizard Tail+16.7%16 runsParrying Shield+15.9%33 runsMeat on the Bone+14.8%18 runsArt of War+14.8%18 runs

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

Momentum Strike Card Details

A 1-energy common attack, Momentum Strike is upgraded 19.8% of the time and tends to enter the deck around floor 11.

Deal 10 damage. Reduce this card's cost to 0 -cost.

Upgrade: +3 Damage

What Ends Runs with Momentum Strike

Runs holding Momentum Strike end most often against Knowledge Demon Boss (5.4%), Infested Prisms Elite (5.4%), and Queen Boss (5.2%) — the share of its runs each accounts for is shown.

• Knowledge Demon Boss5.4% of runs
• Infested Prisms Elite5.4% of runs
• Queen Boss5.2% of runs
• Decimillipede Elite4.5% of runs
• The Insatiable Boss4.0% of runs

See Also

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