Chargers are a more advanced form of Maggot, and they're encountered more often as well, present in The Caves, The Catacombs and The Depths. As suggested by their names, they can charge toward Isaac when lining up.
Behavior[]
They possess a smiling face of sorts, and look quite harmless as they slowly crawl along without attempting to follow Isaac. If a Charger lines up with Isaac vertically or horizontally, they will immediately and quickly charge in a straight line towards him. Because they're always encountered in groups of at least four, avoiding them quickly becomes a problem.
Chargers do not seem to notice Isaac unless he is moving. If Isaac stands still and a Charger lines up with him, they will continue crawling without attacking him.
Champion Variant 
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Eternal Charger leaves green creep while moving. After certain time, it will change into an Eternal Sack (the Sack will not shoot Spiders). And eventually, it will become a stronger Eternal Fat Fly that shoots 3 projectiles.
This variant was added in the Eternal Edition update but can be exclusively encountered in Hard Mode.
Notes[]
- Chargers can be spawned by Chub, Sloth, Pestilence, and Fistula (only upon destruction of smallest parts).
- They are also spawned upon the destruction of the Green Champion version of The Hollow's body segments.
Trivia[]
- Each phase of Eternal Chargers are a reference to the metamorphosis process of maggots.
- Chargers are a reference to Ropes from The Legend Of Zelda, as both enemies charge at you when being in their line of sight.
Bugs[]
- Sometimes, Chargers get stuck in gaps until Isaac comes too close and lets them charge.
| Monsters | ||
|---|---|---|
| Fly variants |  Black Fly •  Attack Fly •  Moter • (:  Eternal Fly)
| |
| Gaper variants |  Gaper •  Frowning Gaper •  Mr. Maw • (:  Gurgle)
| |
| Mulligan variants |  Mulligan •  Mulligoon •  Hive • (:  Mulliboom)
| |
| Horf variants |  Horf •  Maw •  Red Maw • (:  Psychic Maw)
| |
| Vis variants |  Vis • (:  Double Vis •  Chubber)
| |
| Maggot variants |  Maggot •  Charger •  Spitty
| |
| Hopper variants |  Hopper •  Flaming Hopper •  Leaper
| |
| Boil variants |  Boil • (:  Gut •  Sack)
| |
| Clot variants |  Clotty •  Clot •  I. Blob
| |
| Leech variants |  Leech •  Kamikaze Leech • (:  Holy Leech)
| |
| Spider variants | :  Spider •  Big Spider •  Trite
| |
| Pooter variants |  Pooter • (:  Fat Fly)
| |
| Boomfly variants |  Boom Fly •  Red Boom Fly
| |
| Pacer variants |  Pacer •  Gusher
| |
| Sucker variants |  Sucker • (:  Spit)
| |
| Globin variants |  Globin •  Gazing Globin
| |
| Knight variants |  Knight •  Selfless Knight
| |
| Eye variants |  Eye •  Bloodshot Eye
| |
| Host variants |  Host •  Red Host
| |
| Baby variants |  Baby • (:  Angelic Baby)
| |
| Eye variants | Eye • Bloodshot Eye
| |
| Poky variants |  Poky • (:  Slide)
| |
| Brain variants |  Brain •  Membrain
| |
| Gut variants |  Guts • (:  Mama Guts)
| |
| Dople variants |  Dople •  Evil Twin
| |
| Grimace variants |  Stone Grimace • (:  Vomit Grimace)
| |
| Keeper variants | :  Keeper •  Hanger
| |
| Standalone variants |  Para-Bite •  Fred •  Lump •  Embryo • Peep Eye • (:  Swarmer •  Mask + Heart •  B. Licker)
| |