UndeathSkill
Gain 7 Block. Add a copy of this card into your Discard Pile.
Is Undeath good in Slay the Spire 2?
In Slay the Spire 2, Undeath is a rare skill from the Necrobinder card pool. Its effect: Gain 7 Block. Add a copy of this card into your Discard Pile. Right now it’s a premium pick that sits at S tier — one of the better cards you can add to a deck this run.
Over 10 tracked runs its win rate sits at 40.0%, 27.4% ahead of the 12.6% all-deck baseline. It sees niche play, included in only 1.9% of eligible runs. Within Necrobinder runs it’s drafted 5.8% 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 Dirge, which lifts its win rate by +60.0% when the two share a deck. On the relic side, Strike Dummy is its standout companion, worth a +60.0% win-rate swing alongside it. It costs 0 energy, gets upgraded 50.0% of the time, and tends to be picked up near floor 12.
Upgrading the card adds +2 Block to its stat line. Of the runs that drafted it, 4 ended in victory against 6 deaths and 0 abandons. Its most common run-ender is The Kin Boss, finishing 20.0% of the runs it shows up in. See the synergies, class split, and threats below for the full picture of where Undeath fits a Necrobinder deck.
Undeath Win Rate & Pick Rate
At a 40.0% win rate, Undeath runs 27.4% ahead of the 12.6% all-deck baseline — the bars below put the two side by side.
Run Outcomes with Undeath
Across the 10 tracked runs that drafted Undeath, 4 ended in a win and 6 in a loss — a 40.0% win share, counting abandons as losses.
- Wins 40.0%
- Losses 60.0%
Undeath Win Rate by Class
Exclusive to the Necrobinder, Undeath posts a 40.0% win rate over 10 tracked runs.
The Necrobinderappears in 5.8% of its runs (10 tracked)Best Relics for Undeath
The relics that swing Undeath’s win rate the most are Strike Dummy (+60.0%), Gremlin Horn (+60.0%), and Bag of Preparation (+26.7%), with each lift shown.
Strike Dummy4 runs
Gremlin Horn3 runs
Bag of Preparation3 runs
Bound Phylactery9 runs
Lantern3 runs
Akabeko3 runsBased on small co-occurring samples — treat these as early signals, not final verdicts.
Undeath Card Details
A 0-energy rare skill, Undeath is upgraded 50.0% of the time and tends to enter the deck around floor 12.
Gain 7 Block. Add a copy of this card into your Discard Pile.
Upgrade: +2 Block
What Ends Runs with Undeath
Runs holding Undeath end most often against The Kin Boss (20.0%) — the share of its runs each accounts for is shown.
- The Kin Boss20.0% of runs
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Undeath – Frequently Asked Questions
Is Undeath good in Slay the Spire 2?
Across 10 tracked runs, Undeath has a 40.0% win rate — +27.4% above the average deck. Win rate reflects how often runs that include the card end in victory.
What does Undeath do in Slay the Spire 2?
Undeath costs 0 energy. Gain 7 Block. Add a copy of this card into your Discard Pile.
What class is Undeath in Slay the Spire 2?
Undeath is a Rare Necrobinder Skill.
Is Undeath worth upgrading in Slay the Spire 2?
Players upgrade Undeath in 50.0% of runs. Upgrading it grants +2 Block.
What is the best relic for Undeath?
In tracked runs, Undeath has performed best alongside Strike Dummy, which lifts its win rate by +60.0% over 4 runs together.
See Also
Keep exploring Slay the Spire 2 tier lists and stats below.