Eternal Feather Relic

Is Eternal Feather good in Slay the Spire 2?

In Slay the Spire 2, Eternal Feather is an uncommon relic you can pick up on your climb. Its effect: For every in your Deck, heal HP whenever you enter a Rest Site. The data marks it as a weaker relic, settling at D tier — rarely a run-defining grab.

Over 1145 tracked runs the win rate of decks holding it sits at 35.6%, 21.8% ahead of the 13.8% all-run baseline. It sees lighter play, carried in only 5.5% of runs. It does its best work in the hands of the Regent, who post a 42.9% win rate with it. Within Regent runs specifically, it’s carried 5.6% of the time.

Its standout card pairing is Monarch's Gaze, which lifts the relic’s win rate by +45.6% when both are in play. It also works nicely with Neutron Aegis, good for a +44.4% win-rate change. It typically enters the deck near floor 21. As an uncommon relic, how often it’s offered depends on its rarity tier.

Of the runs that carried it, 405 ended in victory while 731 fell to a defeat. Its most common run-ender is Test Subject Boss, finishing 6.3% of the runs it appears in. See the best cards, class split, and threats below for the full read on whether Eternal Feather is worth grabbing.

Pick or Skip: Eternal Feather

Players take Eternal Feather in 62.8% of the 1849 offers it appears in; those runs win 35.7% against 26.3% for runs that passed, a pick lift of +9.3% over 1149 decided runs.

Taken 1161 times out of 1849 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.

Best Cards with Eternal Feather

The cards that gain the most from carrying Eternal Feather are Monarch's Gaze (+45.6%), Neutron Aegis (+44.4%), and Grand Finale (+37.7%), each shown with its win-rate swing.

Monarch's Gaze+45.6%16 runsNeutron Aegis+44.4%20 runsGrand Finale+37.7%16 runsTracking+37.3%38 runsEradicate+36.6%18 runsBuffer+35.8%21 runs

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

Eternal Feather Win Rate by Class

Of the 5 classes that carry Eternal Feather, it performs best with Regent (42.9%), Necrobinder (41.7%), and Silent (39.0%).

The Regent42.9%185 runsThe Necrobinder41.7%200 runsThe Silent39.0%273 runsThe Ironclad31.3%264 runsThe Defect24.1%214 runs

Eternal Feather Details

Carried in 5.5% of runs, Eternal Feather is an uncommon relic typically acquired near floor 21.

For every in your Deck, heal HP whenever you enter a Rest Site.

What Ends Runs with Eternal Feather

Runs carrying Eternal Feather end most often against Test Subject Boss (6.3%), Queen Boss (5.9%), and Aeonglass Boss (5.6%) — the share of its runs each accounts for is shown.

• Test Subject Boss6.3% of runs
• Queen Boss5.9% of runs
• Aeonglass Boss5.6% of runs
• Knowledge Demon Boss3.4% of runs
• Decimillipede Elite3.3% of runs

See Also

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