Sentry Mode•Power

Is Sentry Mode good in Slay the Spire 2?

In Slay the Spire 2, Sentry Mode is a rare power from the Necrobinder card pool. Its effect: At the start of your turn, add 1 Sweeping Gaze into your Hand. 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 8 tracked runs its win rate sits at 37.5%, 24.9% ahead of the 12.6% all-deck baseline. It sees niche play, included in only 1.5% of eligible runs. Within Necrobinder runs it’s drafted 4.7% 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 Wisp, which lifts its win rate by +22.5% when the two share a deck. On the relic side, Bowler Hat is its standout companion, worth a +29.2% win-rate swing alongside it. It costs 2 energy, gets upgraded 62.5% of the time, and tends to be picked up near floor 15.

Upgrading the card adds -1 EnergyCost to its stat line. Of the runs that drafted it, 3 ended in victory against 5 deaths and 0 abandons. Its most common run-ender is Infested Prisms Elite, finishing 25.0% of the runs it shows up in. See the synergies, class split, and threats below for the full picture of where Sentry Mode fits a Necrobinder deck.

Best Cards to Pair with Sentry Mode

Sentry Mode’s strongest card pairings so far are Wisp (+22.5%), Friendship (+12.5%), and Bodyguard (0.0%), each shown with the win-rate lift it adds.

Wisp+22.5%5 runsFriendship+12.5%4 runsBodyguard0.0%8 runsDefend0.0%8 runsEnfeebling Touch-4.2%3 runsSleight of Flesh-4.2%3 runs

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

Sentry Mode Win Rate by Class

Exclusive to the Necrobinder, Sentry Mode posts a 37.5% win rate over 8 tracked runs.

The Necrobinderappears in 4.7% of its runs (8 tracked)

Best Relics for Sentry Mode

The relics that swing Sentry Mode’s win rate the most are Bowler Hat (+29.2%), Bound Phylactery (-4.2%), and Winged Boots (-4.2%), with each lift shown.

Bowler Hat+29.2%3 runsBound Phylactery-4.2%6 runsWinged Boots-4.2%3 runs

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

Sentry Mode Card Details

A 2-energy rare power, Sentry Mode is upgraded 62.5% of the time and tends to enter the deck around floor 15.

At the start of your turn, add 1 Sweeping Gaze into your Hand.

Upgrade: -1 EnergyCost

What Ends Runs with Sentry Mode

Runs holding Sentry Mode end most often against Infested Prisms Elite (25.0%) — the share of its runs each accounts for is shown.

• Infested Prisms Elite25.0% of runs

See Also

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