Gives range, speed, or damage when buying things from a shop. Also spawns three coins and a key on pickup.
Quote
"Spending power"
Effects
- Gives Isaac stat upgrades when he buys items/pickups from shops.
- The three possible stat upgrades Keeper's Sack can give are +0.5 damage, +0.03 speed, and +0.25 range
- Keeper's Sack will always give one stat upgrade when Isaac makes a purchase, plus one for every 5 cents Isaac spent on the pickup/item.
- Spawns three coins and a key on pickup.
Found in
- Secret Room
- Shop
- Treasure Room (Greed Mode)