Hungry Grub is a familiar in Revelations, a mod for The Binding of Isaac.

Grants a familiar that can be launched in a straight line whilst shooting.

The familiar will attach itself to an enemy, feasting off of it for a short time and rapidly dealing damage, before returning back to Isaac.

The amount of damage dealt per tick is equal to max(1, CurrentFloor / 2) / 10, or 0.1 on the first and second floor, increasing by +0.5 each subsequent floor.

Upon absorbing a set amount of HP, the familiar will appear bigger and double its damage output.

The amount of HP needed to advance to the next level is equal to max(15, max(1, CurrentFloor / 2)) * 15), or 15 on the first and second floor, increasing by +15 each subsequent floor.

The familiar has a total of 3 levels. The level resets each room.

Upon reaching level 3, the familiar will leave behind damaging red creep that rapidly deals 2 damage per tick to enemies.

Once attached to an enemy, it will stay attached until the enemy dies, or the familiar advances to its next level by eating the amount of HP required.

Even though the familiar has only 3 levels, a check is still performed after the 3rd level in order to make the familiar stop feasting. The amount of HP required on the 3rd level is doubled.

Hungry Grub can be found in the following item pools:

The following tags are applied to this item:

• Check out the item description on the mod's external Wiki.
• Download Revelations from the Steam Workshop.