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Egg Heart

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Egg Heart
Egg Heart final boss of episode 2 after this game fudge that hedgehog

Sonic the Hedgehog 4: Episode II (Only appearance)


Death Egg mk.II Zone


The large, floating organic vehicle that has four giant electrocuted rings surrounding it with several attack patterns. Hit the cockpit eight (console) or five (mobile) times to defeat it.

Previous boss

Metal Sonic (race)

Egg Heart is the final boss of Sonic the Hedgehog 4: Episode II. The boss fight takes place in the second and last act of Death Egg mk.II Zone. Dr. Eggman pilots his craft into a human heart-shaped machine surrounded by several large electrified rings. It takes eight (console) or five (mobile) hits to defeat it.


The player must jump from ring to ring to reach the Egg Heart. When the player gets to the Egg Heart, they can damage it by attacking the cockpit where Eggman is located at. After the first hit, lasers will start electrocuting some of the rings, they can use Tails to fly to the Heart. After three hits, some sections of the rings will break apart. After taking more hits, a force-field will surround Eggman which the player must use the Rolling Combo to break apart. Eggman will also charge up a gravity-based attack that will make the Death Egg dark, create a sort of black hole effect, and slam the player against a wall if they take too long between hits. Repeat until the Egg Heart is destroyed.


  • The Egg Heart has similarities to the Psyco-Egg, which is the final boss of Sonic the Hedgehog CD. Both final bosses have objects surrounding them (Electrified ring for the Egg Heart, and four rectangle blades for the Final Fever) and both have some way to shield themselves: a force field that cannot be broken unless you use the rolling combo for the Egg Heart, and the four rectangle blades for the Final Fever (although they are there from the start). Both bosses are also located in huge mechanical bases, which are the final zones for both games.
  • Just like a real heart, the Egg Heart beats during the battle.
  • There are actually two different ways to get to the center ring where the Egg Heart is. One way is to use Tails to fly to the center ring, and the other way is to have Sonic run around until the rings intersect, then jump to the next level, and do this until he gets to the center ring, but it can only be done before the rings begin to break apart.
  • This is the only boss ever in the Sonic franchise that is based on an organic body part.



Sonic the Hedgehog 4 Episode 2- Death Egg MK02:56

Sonic the Hedgehog 4 Episode 2- Death Egg MK. II Boss (Super Sonic) -1080 HD-

Sonic the Hedgehog 4: Episode II

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