Heart of Darkness
Heart of Darkness in 'Cluck of the Dark Side'.




Boss in Cluck of the Dark Side


Gamma Chthon

First Appearance

Cluck of the Dark Side

Heart of Darkness is one of the bosses present in Cluck of the Dark Side. It's a mysterious being present deep within the underground caverns of Gamma Chthon, which guards the Source of Power.


It's a huge red pumping heart.

Editions don't affect it.


Image Description
Pollen Throw

The Heart of Darkness throws six purple pollen at you.
Crystal Sword

The Heart of Darkness summons a huge Crystal that mostly covers it from the bottom that goes to the bottom of the screen. A dotted line appears before this happens.
Crystal Shield

The Heart of Darkness summons five Crystals to protect itself. They retract after a while.


It's encountered only once at the end of the Gamma Chthon: Artifact Recovery Mission chapter. There, it has 160000 health. After dying, it gives 120000 points and 12-15 Coins. Its pattern isn't very complicated. First, it arrives from the left side of the screen and uses Pollen Throw. After that, it uses Crystal Sword. It finishes its pattern with Crystal Shield. It will move to a different place between the attacks. A Satellite is summoned at the beginning and at the end of the fight. Gifts will also spawn when its health reaches 25%, 50%, 75%, and 100%. It is weak to the Positron Stream and it has no strenghts.


Destroy the Crystals just enough so that you are able to attack the Heart of Darkness. Damaging them any more is a waste of your ammo.

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