Drum of Battle Power

Is Drum of Battle good in Slay the Spire 2?

In Slay the Spire 2, Drum of Battle is an uncommon power from the Ironclad card pool. Its effect: Draw cards. At the start of your turn, Exhaust the top card of your Draw Pile. Performance-wise it’s a solid if unspectacular include, rated C tier overall.

Over 263 tracked runs its win rate sits at 26.3%, 12.4% ahead of the 13.8% all-deck baseline. It sees niche play, included in only 1.3% of eligible runs. When it is actually offered players take it 13.3% of the time, and that looks correct: those runs win 26.8% against 21.7% for runs that passed, a +4.9% pick lift over 213 decided runs. Within Ironclad runs it’s drafted 5.6% 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 Not Yet, which lifts its win rate by +27.4% when the two share a deck. On the relic side, Centennial Puzzle is its standout companion, worth a +25.7% win-rate swing alongside it. It costs 0 energy, gets upgraded 27.1% of the time, and tends to be picked up near floor 18.

Upgrading the card adds +1 Cards to its stat line. Of the runs that drafted it, 68 ended in victory against 191 deaths and 4 abandons. Its most common run-ender is Test Subject Boss, finishing 7.6% of the runs it shows up in. See the synergies, class split, and threats below for the full picture of where Drum of Battle fits a Ironclad deck.

Pick or Skip: Drum of Battle

Players take Drum of Battle in 13.3% of the 1752 offers it appears in; those runs win 26.8% against 21.7% for runs that passed, a pick lift of +4.9% over 213 decided runs.

Taken 233 times out of 1752 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 Drum of Battle

Of the 4 pickup windows recorded for Drum of Battle, Act 3 is the best: 55.6% across 46 runs.

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

Best Cards to Pair with Drum of Battle

Drum of Battle’s strongest card pairings so far are Not Yet (+27.4%), Aggression (+24.2%), and Vicious (+24.0%), each shown with the win-rate lift it adds.

Not Yet+27.4%21 runsAggression+24.2%19 runsVicious+24.0%35 runsCascade+22.5%21 runsMad Science+20.7%19 runsDebt+18.5%16 runs

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

Drum of Battle Win Rate by Class

Exclusive to the Ironclad, Drum of Battle posts a 26.6% win rate over 260 tracked runs.

The Ironcladappears in 5.6% of its runs (260 tracked)

Best Relics for Drum of Battle

The relics that swing Drum of Battle’s win rate the most are Centennial Puzzle (+25.7%), Vambrace (+22.6%), and Bag of Preparation (+22.1%), with each lift shown.

Centennial Puzzle+25.7%49 runsVambrace+22.6%23 runsBag of Preparation+22.1%44 runsWhetstone+21.9%38 runsBag of Marbles+21.5%29 runsAnchor+21.4%48 runs

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

Drum of Battle Card Details

A 0-energy uncommon power, Drum of Battle is upgraded 27.1% of the time and tends to enter the deck around floor 18.

Draw cards. At the start of your turn, Exhaust the top card of your Draw Pile.

Upgrade: +1 Cards

What Ends Runs with Drum of Battle

Runs holding Drum of Battle end most often against Test Subject Boss (7.6%), Queen Boss (5.7%), and Knowledge Demon Boss (4.6%) — the share of its runs each accounts for is shown.

• Test Subject Boss7.6% of runs
• Queen Boss5.7% of runs
• Knowledge Demon Boss4.6% of runs
• Kaiser Crab Boss4.2% of runs
• Decimillipede Elite3.8% of runs

See Also

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