Bulk UpPower
Lose Orb Slots. Gain 2 Strength. Gain 2 Dexterity.
Is Bulk Up good in Slay the Spire 2?
Bulk Up is an uncommon Defect power in Slay the Spire 2. In combat it resolves as: Lose Orb Slots. Gain 2 Strength. Gain 2 Dexterity. It’s a dependable, middle-of-the-pack option, landing at C tier in our rankings.
Across 5 recorded runs, decks running it win 20.0% of the time, comfortably clear of the 12.6% average, by 7.4%. It’s a more selective pick, turning up in just 1.0% of decks that could run it. Defect players keep it in 17.9% of their runs, so it’s a familiar sight in those decks. On average it shows up 1.2 times in the decks that take it.
It performs best next to Ascender's Bane — together they post a +13.3% swing in win rate. It also has strong chemistry with the relic Cracked Core, which moves its win rate by +5.0%. At 2 energy, it’s upgraded in 33.3% of runs and usually joins the deck around floor 22.
Upgraded, it gains +1 Strength, +1 Dexterity, which is why so many decks invest a rest-site upgrade in it. That’s 1 wins, 4 deaths, and 0 abandoned runs with it in the deck. Read on for Bulk Up’s complete synergy, class, and threat breakdown to decide whether it earns a slot in your Defect run.
Bulk Up Win Rate & Pick Rate
Bulk Up’s 20.0% win rate clears the 12.6% all-deck average by 7.4%, the gap charted below.
Run Outcomes with Bulk Up
Bulk Up has 1 wins and 4 losses over 5 tracked runs (20.0% won); abandoned runs count as losses.
- Wins 20.0%
- Losses 80.0%
Best Cards to Pair with Bulk Up
Ranked by win-rate lift, Bulk Up performs best alongside Ascender's Bane (+13.3%), Capacitor (+13.3%), and Tempest (+13.3%).
Based on small co-occurring samples — treat these as early signals, not final verdicts.
Bulk Up Win Rate by Class
Bulk Up is drafted only by the Defect, where it holds a 20.0% win rate across 5 runs.
The Defectappears in 17.9% of its runs (5 tracked)Best Relics for Bulk Up
Bulk Up pairs best with the relics Cracked Core (+5.0%) and Anchor (-20.0%), ranked by win-rate lift.
Based on small co-occurring samples — treat these as early signals, not final verdicts.
Bulk Up Card Details
Bulk Up is an uncommon power costing 2 energy; it’s upgraded in 33.3% of runs and usually picked up by floor 22.
Lose Orb Slots. Gain 2 Strength. Gain 2 Dexterity.
Upgrade: +1 Strength, +1 Dexterity
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Bulk Up – Frequently Asked Questions
Is Bulk Up good in Slay the Spire 2?
Across 5 tracked runs, Bulk Up has a 20.0% win rate — +7.4% above the average deck. Win rate reflects how often runs that include the card end in victory.
What does Bulk Up do in Slay the Spire 2?
Bulk Up costs 2 energy. Lose Orb Slots. Gain 2 Strength. Gain 2 Dexterity.
What class is Bulk Up in Slay the Spire 2?
Bulk Up is an Uncommon Defect Power.
Is Bulk Up worth upgrading in Slay the Spire 2?
Players upgrade Bulk Up in 33.3% of runs. Upgrading it grants +1 Strength, +1 Dexterity.
What is the best relic for Bulk Up?
In tracked runs, Bulk Up has performed best alongside Cracked Core, which lifts its win rate by +5.0% over 4 runs together.
See Also
Compare Bulk Up with the rest of the best Slay the Spire 2 cards, relics, and classes below.