Mega Mush

Mega Mush is an activated item added in The Binding of Isaac: Repentance.

Effects

 * Gigantifies Isaac for 30 seconds, persisting between rooms. While Gigantic, Isaac gains the following effects;
 * Gains a 4x damage multiplier and ~+7 range, but a 2.5x tear delay multiplier.
 * Becomes invulnerable to damage.
 * Can destroy obstacles and objects and open doors by walking into them. This includes metal blocks.
 * Deals extremely heavy contact damage to enemies (80 per tick, or 1,600 per second).

Synergies

 * : The contact damage dealt by Mega Mush will allow you to recharge it and use it multiple times in the same room.
 * : Mega Mush's active time will be doubled to 60 seconds.

Trivia

 * Mega Mush is based off of the Mega Mushroom from the New Super Mario Bros. series, which would turn Mario giant, grant invulnerability, and allow him to defeat almost anything he touches.

Seeds
FQZF GB13 (Treasure room adjacent to spawn)