BehaviorHoppers erratically jump around the room slowly, dealing Isaac with contact damage if he gets too close to them.
They can turn into a Flaming Hopper by touching a Fireplace.
Eternal Champion BehaviorEternal Hoppers take longer to start jumping, but will jump directly towards Isaac with every jump and fire tears in the cardinal directions every time they land.
- In Rebirth, they can be spawned by the boss Mega Maw.
- Hoppers and Flaming Hoppers are the only known enemies that do not take damage, yet even profit from contact with Fireplaces.
- Hoppers and Leapers (also the Trites) are probably a reference to a Zelda enemy called Tektite, a spider-like enemy that also only moves around by jumping.
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