Picking up red hearts, even while at full health, can convert them into blue spiders. The effect may consume hearts needed for healing.
Quote
"It feels empty"
Effects
- Picking up Red Hearts can convert them into 1-4 Blue Spiders.
- Isaac can pick up hearts even while at full health. In this case, the effect always works.
- While injured, there is a moderate chance the heart will be picked up normally. If spiders are spawned, no health is gained.
- This allows ???, The Lost, and Dark Judas to pick up red hearts.
- In co-op, this allows Keeper to convert red hearts into blue spiders.
- Hearts in the shop can be converted into spiders for free.