Infernal Engine

Note: This information is based on an unofficial translation of Japanese material, and it may be changed by later publications.

Yes, the untapped power that lies within you. Now, child, it's time you awakened that power and realized your full potential.
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The Demon's Fortress.

Demon's Fortress is a Heartless boss which appears in Beast's Castle in Kingdom Hearts 358/2 Days. Template:KHBoss