Blood Vial??? Relic

Is Blood Vial??? good in Slay the Spire 2?

In Slay the Spire 2, Blood Vial??? is an event relic you can pick up on your climb. Its effect: At the start of each combat, heal HP. The data marks it as a weaker relic, settling at D tier — rarely a run-defining grab.

Over 202 tracked runs the win rate of decks holding it sits at 37.1%, 23.7% ahead of the 13.5% all-run baseline. It sees lighter play, carried in only 1.2% of runs. It does its best work in the hands of the Regent, who post a 57.7% win rate with it. Within Regent runs specifically, it’s carried 1.0% of the time.

Its standout card pairing is Defy, which lifts the relic’s win rate by +20.0% when both are in play. It also works nicely with Pull Aggro, good for a +19.1% win-rate change. It typically enters the deck near floor 30. As an event relic, how often it’s offered depends on its rarity tier.

Of the runs that carried it, 75 ended in victory while 127 fell to a defeat. Its most common run-ender is Test Subject Boss, finishing 11.4% of the runs it appears in. See the best cards, class split, and threats below for the full read on whether Blood Vial??? is worth grabbing.

Pick or Skip: Blood Vial???

Players take Blood Vial??? in 81.8% of the 247 offers it appears in; those runs win 37.1% against 37.8% for runs that passed, a pick lift of -0.6% over 202 decided runs.

Taken 202 times out of 247 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 Blood Vial???

The cards that gain the most from carrying Blood Vial??? are Defy (+20.0%), Pull Aggro (+19.1%), and Friendship (+18.4%), each shown with its win-rate swing.

Defy+20.0%21 runsPull Aggro+19.1%16 runsFriendship+18.4%18 runsDefend+17.4%22 runsVenerate+17.4%22 runsEnfeebling Touch+15.8%17 runs

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

Blood Vial??? Win Rate by Class

Of the 5 classes that carry Blood Vial???, it performs best with Regent (57.7%), Necrobinder (47.5%), and Ironclad (31.9%).

The Regent57.7%26 runsThe Necrobinder47.5%40 runsThe Ironclad31.9%47 runsThe Defect26.9%52 runsThe Silent26.5%34 runs

Blood Vial??? Details

Carried in 1.2% of runs, Blood Vial??? is an event relic typically acquired near floor 30.

At the start of each combat, heal HP.

What Ends Runs with Blood Vial???

Runs carrying Blood Vial??? end most often against Test Subject Boss (11.4%), Aeonglass Boss (8.4%), and Knowledge Demon Boss (5.9%) — the share of its runs each accounts for is shown.

• Test Subject Boss11.4% of runs
• Aeonglass Boss8.4% of runs
• Knowledge Demon Boss5.9% of runs
• Kaiser Crab Boss4.5% of runs
• Queen Boss4.0% of runs

See Also

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