Monstro's Lung is a passive item in The Binding of Isaac: Rebirth (TBOIR)
Effects
You charge your shots (holding the arrow button) and release a volley of multiple blood shots at once, like Monstro
Damage upgrade.
Character Appearance
Character has a cleft lip similar to Monstro. When you charge your attack, your lips swell until you release the blood shots:
Synergies/Interactions
Monstro's Lung has the following Synergies and Interactions with other items:
| Item | Synergy |
| Brimstone | Brimstone Overrides Monstro's Lung |
| Technology | No effect |
| Technology 2 | Both items stack - Tech 2 will keep firing while you are charging the lung ability. |
| Chocolate Milk | More damage |
| The Inner Eye | Longer charge time, slightly more damage |
| Polyphemus | Longer charge time, increased damage |
