ProlongSkill
Next turn, gain Block equal to your current Block.
Is Prolong good in Slay the Spire 2?
In Slay the Spire 2, Prolong is an uncommon skill from the Colorless card pool. Its effect: Next turn, gain Block equal to your current Block. The data flags it as a weaker pick, settling at D tier — usually one to pass on unless your deck specifically wants it.
Over 2 tracked runs its win rate sits at 0.0%, 12.6% short of the 12.6% all-deck baseline. It sees niche play, included in only 0.4% of eligible runs. Within Regent runs it’s drafted 1.2% of the time, making it a regular part of that class’s decks. Decks that include it run about 1.0 copies on average.
It costs 0 energy, gets upgraded 0.0% of the time, and tends to be picked up near floor 14.
Of the runs that drafted it, 0 ended in victory against 2 deaths and 0 abandons. See the synergies, class split, and threats below for the full picture of where Prolong fits a Colorless deck.
Prolong Win Rate & Pick Rate
At a 0.0% win rate, Prolong runs 12.6% behind the 12.6% all-deck baseline — the bars below put the two side by side.
Run Outcomes with Prolong
Across the 2 tracked runs that drafted Prolong, 0 ended in a win and 2 in a loss — a 0.0% win share, counting abandons as losses.
- Wins 0.0%
- Losses 100.0%
Prolong Win Rate by Class
Exclusive to the Regent, Prolong posts a 0.0% win rate over 2 tracked runs.
The Regentappears in 1.2% of its runs (2 tracked)Prolong Card Details
A 0-energy uncommon skill, Prolong is upgraded 0.0% of the time and tends to enter the deck around floor 14.
Next turn, gain Block equal to your current Block.
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Prolong – Frequently Asked Questions
Is Prolong good in Slay the Spire 2?
Across 2 tracked runs, Prolong has a 0.0% win rate — +12.6% below the average deck. Win rate reflects how often runs that include the card end in victory.
What does Prolong do in Slay the Spire 2?
Prolong costs 0 energy. Next turn, gain Block equal to your current Block.
What class is Prolong in Slay the Spire 2?
Prolong is an Uncommon Colorless Skill.
Is Prolong worth upgrading in Slay the Spire 2?
Prolong can be upgraded at a rest site to improve its effect.
See Also
Keep exploring Slay the Spire 2 tier lists and stats below.