Grub
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A Grub is a type of monster that appear infrequently in 
The Caves and beyond. They are similar in appearance to Larry Jr. and can spawn alongside Larry Jr. or The Hollow in their respective boss rooms.
Grubs move around the room somewhat randomly until they line up with Isaac, after which they rapidly charge towards Isaac, similar to a Charger. Upon death, each of the Grub's segments will spawn a Maggot, Charger, or Spitty. Unlike Larry Jr. which requires each of its segments to be destroyed, as soon as one Grub segment is destroyed, the entire enemy will be destroyed.
Notes[edit | edit source]
Prior to Booster Pack #5, if a Grub spawned in the 
Flooded Caves, it had a high chance to spawn Drowned Chargers instead of Chargers.
Gallery[edit | edit source]
A grub with only its head section remaining, due to
Midas' Touch.
Trivia[edit | edit source]
- Because of its similar movement behavior and design to that of Larry Jr. (along with the fact that Grubs can spawn in a Larry Jr. boss room), Grubs are also known as "Larry Sr." by The Binding of Isaac community.
Bugs[edit | edit source]
Bug! Attempting to capture a Grub with 
 The Binding of Isaac: Rebirth
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