Drain PowerAttack
Deal 10 damage. Upgrade random cards in your Discard Pile.
Is Drain Power good in Slay the Spire 2?
Drain Power is a common Necrobinder attack in Slay the Spire 2. In combat it resolves as: Deal 10 damage. Upgrade random cards in your Discard Pile. It currently underperforms most alternatives, sitting at D tier in our Slay the Spire 2 card rankings.
Across 7 recorded runs, decks running it win 14.3% of the time, comfortably clear of the 12.6% average, by 1.7%. It’s a more selective pick, turning up in just 1.4% of decks that could run it. Necrobinder players keep it in 4.1% of their runs, so it’s a familiar sight in those decks. On average it shows up 1.0 times in the decks that take it.
It performs best next to Dirge — together they post a +19.0% swing in win rate. It also has strong chemistry with the relic Lantern, which moves its win rate by +10.7%. At 1 energy, it’s upgraded in 28.6% of runs and usually joins the deck around floor 9.
Upgraded, it gains +2 Damage, +1 Cards, which is why so many decks invest a rest-site upgrade in it. That’s 1 wins, 6 deaths, and 0 abandoned runs with it in the deck. The encounter that most often ends a run carrying it is The Insatiable Boss, which closes out 28.6% of its appearances. Read on for Drain Power’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Necrobinder run.
Drain Power Win Rate & Pick Rate
Drain Power’s 14.3% win rate clears the 12.6% all-deck average by 1.7%, the gap charted below.
Run Outcomes with Drain Power
Drain Power has 1 wins and 6 losses over 7 tracked runs (14.3% won); abandoned runs count as losses.
- Wins 14.3%
- Losses 85.7%
Best Cards to Pair with Drain Power
Ranked by win-rate lift, Drain Power performs best alongside Dirge (+19.0%), Deathbringer (+19.0%), and Blight Strike (+10.7%).
Based on small co-occurring samples — treat these as early signals, not final verdicts.
Drain Power Win Rate by Class
Drain Power is drafted only by the Necrobinder, where it holds a 14.3% win rate across 7 runs.
The Necrobinderappears in 4.1% of its runs (7 tracked)Best Relics for Drain Power
Drain Power pairs best with the relics Lantern (+10.7%), Bound Phylactery (0.0%), and Potion Belt (-14.3%), ranked by win-rate lift.
Based on small co-occurring samples — treat these as early signals, not final verdicts.
Drain Power Card Details
Drain Power is a common attack costing 1 energy; it’s upgraded in 28.6% of runs and usually picked up by floor 9.
Deal 10 damage. Upgrade random cards in your Discard Pile.
Upgrade: +2 Damage, +1 Cards
What Ends Runs with Drain Power
Drain Power’s most common run-enders are The Insatiable Boss (28.6%).
- The Insatiable Boss28.6% of runs
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Drain Power – Frequently Asked Questions
Is Drain Power good in Slay the Spire 2?
Across 7 tracked runs, Drain Power has a 14.3% win rate — +1.7% above the average deck. Win rate reflects how often runs that include the card end in victory.
What does Drain Power do in Slay the Spire 2?
Drain Power costs 1 energy. Deal 10 damage. Upgrade random cards in your Discard Pile.
What class is Drain Power in Slay the Spire 2?
Drain Power is a Common Necrobinder Attack.
Is Drain Power worth upgrading in Slay the Spire 2?
Players upgrade Drain Power in 28.6% of runs. Upgrading it grants +2 Damage, +1 Cards.
What is the best relic for Drain Power?
In tracked runs, Drain Power has performed best alongside Lantern, which lifts its win rate by +10.7% over 4 runs together.
See Also
Compare Drain Power with the rest of the best Slay the Spire 2 cards, relics, and classes below.