Demonic Shield•Skill

Is Demonic Shield good in Slay the Spire 2?

In Slay the Spire 2, Demonic Shield is an uncommon skill from the Ironclad card pool. Its effect: Lose 1 HP. Give another player Block equal to your Block. 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 23 tracked runs its win rate sits at 40.9%, 22.0% ahead of the 18.9% all-deck baseline. It sees niche play, included in only 0.6% of eligible runs. Within Ironclad runs it’s drafted 3.3% of the time, making it a regular part of that class’s decks. Decks that include it run about 1.1 copies on average.

Its standout pairing so far is Thunderclap, which lifts its win rate by +17.5% when the two share a deck. On the relic side, Pen Nib is its standout companion, worth a +16.9% win-rate swing alongside it. It costs 0 energy, gets upgraded 36.0% of the time, and tends to be picked up near floor 18.

Of the runs that drafted it, 9 ended in victory against 13 deaths and 1 abandons. Its most common run-ender is Decimillipede Elite, finishing 13.0% of the runs it shows up in. See the synergies, class split, and threats below for the full picture of where Demonic Shield fits a Ironclad deck.

Best Cards to Pair with Demonic Shield

Demonic Shield’s strongest card pairings so far are Thunderclap (+17.5%), Second Wind (+13.6%), and Dominate (+13.0%), each shown with the win-rate lift it adds.

Thunderclap+17.5%9 runsSecond Wind+13.6%3 runsDominate+13.0%5 runsCrimson Mantle+13.0%5 runsPommel Strike+9.8%3 runsHowl from Beyond+9.7%4 runs

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

Demonic Shield Win Rate by Class

Exclusive to the Ironclad, Demonic Shield posts a 40.9% win rate over 23 tracked runs.

The Ironcladappears in 3.3% of its runs (23 tracked)

Best Relics for Demonic Shield

The relics that swing Demonic Shield’s win rate the most are Pen Nib (+16.9%), Anchor (+15.9%), and Bronze Scales (+13.6%), with each lift shown.

Pen Nib+16.9%4 runsAnchor+15.9%6 runsBronze Scales+13.6%3 runsJuzu Bracelet+13.6%3 runsHorn Cleat+13.6%3 runsNeow's Bones+13.6%3 runs

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

Demonic Shield Card Details

A 0-energy uncommon skill, Demonic Shield is upgraded 36.0% of the time and tends to enter the deck around floor 18.

Lose 1 HP. Give another player Block equal to your Block.

What Ends Runs with Demonic Shield

Runs holding Demonic Shield end most often against Decimillipede Elite (13.0%) and Kaiser Crab Boss (8.7%) — the share of its runs each accounts for is shown.

• Decimillipede Elite13.0% of runs
• Kaiser Crab Boss8.7% of runs

See Also

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