Phylactery Unbound•Relic

Is Phylactery Unbound good in Slay the Spire 2?

In Slay the Spire 2, Phylactery Unbound is a starter relic you can pick up on your climb. Its effect: At the start of each combat, Summon. At the start of your turn, Summon. The data marks it as a weaker relic, settling at D tier — rarely a run-defining grab.

Over 39 tracked runs the win rate of decks holding it sits at 37.1%, 18.2% ahead of the 18.9% all-run baseline. It sees lighter play, carried in only 1.0% of runs. It does its best work in the hands of the Necrobinder, who post a 37.1% win rate with it. Within Necrobinder runs specifically, it’s carried 4.7% of the time.

Its standout card pairing is Squeeze, which lifts the relic’s win rate by +62.9% when both are in play. It also works nicely with Parse, good for a +42.9% win-rate change. It typically enters the deck near floor 18. As a starter relic, how often it’s offered depends on its rarity tier.

Of the runs that carried it, 13 ended in victory while 22 fell to a defeat. Its most common run-ender is Test Subject Boss, finishing 10.3% of the runs it appears in. See the best cards, class split, and threats below for the full read on whether Phylactery Unbound is worth grabbing.

Best Cards with Phylactery Unbound

The cards that gain the most from carrying Phylactery Unbound are Squeeze (+62.9%), Parse (+42.9%), and Haunt (+37.9%), each shown with its win-rate swing.

Squeeze+62.9%3 runsParse+42.9%5 runsHaunt+37.9%5 runsDebilitate+34.3%7 runsCapture Spirit+29.5%7 runsReap+29.5%4 runs

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

Phylactery Unbound Win Rate by Class

Phylactery Unbound’s class data comes mostly from the Necrobinder, at a 37.1% win rate over 39 runs.

The Necrobinderappears in 4.7% of its runs (39 tracked)

Phylactery Unbound Details

Carried in 1.0% of runs, Phylactery Unbound is a starter relic typically acquired near floor 18.

At the start of each combat, Summon. At the start of your turn, Summon.

What Ends Runs with Phylactery Unbound

Runs carrying Phylactery Unbound end most often against Test Subject Boss (10.3%), Decimillipede Elite (7.7%), and Infested Prisms Elite (5.1%) — the share of its runs each accounts for is shown.

• Test Subject Boss10.3% of runs
• Decimillipede Elite7.7% of runs
• Infested Prisms Elite5.1% of runs
• Fabricator Normal5.1% of runs
• The Insatiable Boss5.1% of runs

See Also

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