Pen NibRelic
Every 10th Attack you play deals double damage.
Is Pen Nib good in Slay the Spire 2?
In Slay the Spire 2, Pen Nib is an uncommon relic you can pick up on your climb. Its effect: Every 10th Attack you play deals double damage. The data marks it as a weaker relic, settling at D tier — rarely a run-defining grab.
Over 20 tracked runs the win rate of decks holding it sits at 26.3%, 13.7% ahead of the 12.6% all-run baseline. It sees lighter play, carried in only 3.9% of runs. It does its best work in the hands of the Ironclad, who post a 100.0% win rate with it. Within Ironclad runs specifically, it’s carried 2.0% of the time.
Its standout card pairing is Prepared, which lifts the relic’s win rate by +40.4% when both are in play. It also works nicely with Haze, good for a +23.7% win-rate change. It typically enters the deck near floor 20. As an uncommon relic, how often it’s offered depends on its rarity tier.
Of the runs that carried it, 5 ended in victory while 14 fell to a defeat. Its most common run-ender is Infested Prisms Elite, finishing 20.0% of the runs it appears in. See the best cards, class split, and threats below for the full read on whether Pen Nib is worth grabbing.
Pen Nib Win Rate & Pick Rate
At a 26.3% win rate, Pen Nib runs 13.7% ahead of the 12.6% all-run baseline — the bars below put the two side by side.
Run Outcomes with Pen Nib
Across the 20 runs that carried Pen Nib, 5 ended in a win and 15 in a loss — a 25.0% win share, counting abandons as losses.
- Wins 25.0%
- Losses 75.0%
Best Cards with Pen Nib
The cards that gain the most from carrying Pen Nib are Prepared (+40.4%), Haze (+23.7%), and Neutralize (+13.7%), each shown with its win-rate swing.
Based on small co-occurring samples — treat these as early signals, not final verdicts.
Pen Nib Win Rate by Class
Of the 5 classes that carry Pen Nib, it performs best with Ironclad (100.0%), Silent (40.0%), and Necrobinder (33.3%).
Pen Nib Details
Carried in 3.9% of runs, Pen Nib is an uncommon relic typically acquired near floor 20.
Every 10th Attack you play deals double damage.
What Ends Runs with Pen Nib
Runs carrying Pen Nib end most often against Infested Prisms Elite (20.0%), Slumbering Beetle Normal (10.0%), and Ceremonial Beast Boss (10.0%) — the share of its runs each accounts for is shown.
- Infested Prisms Elite20.0% of runs
- Slumbering Beetle Normal10.0% of runs
- Ceremonial Beast Boss10.0% of runs
Help us maintain accuracy! If you notice incorrect stats, missing data, or any issues, your feedback directly improves the quality of our data for the entire community.
Pen Nib – Frequently Asked Questions
Is Pen Nib good in Slay the Spire 2?
Across 20 tracked runs carrying it, Pen Nib wins 26.3% of the time — +13.7% above the average run. Win rate reflects how often runs with the relic end in victory.
What does Pen Nib do in Slay the Spire 2?
Every 10th Attack you play deals double damage.
How rare is Pen Nib in Slay the Spire 2?
Pen Nib is an Uncommon relic, picked up in 3.9% of tracked runs.
What is the best card to use with Pen Nib?
In tracked runs, Pen Nib has performed best alongside Prepared, which lifts its win rate by +40.4% over 3 runs together.
Which class is Pen Nib best in?
Pen Nib has its highest win rate with The Ironclad (100.0%).
See Also
Keep exploring Slay the Spire 2 tier lists and stats below.