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Waking Dream (ドリームリーヴ, Dorīmu Rīvu?, lit. "Dream Leave") is an ability that appears in Kingdom Hearts 3D: Dream Drop Distance. It ensures that the user Spirits always retain 1 HP after attacks that would otherwise finish them off, unless they are already down to 1 HP.
In Kingdom Hearts 3D: Dream Drop Distance, Waking Dream is a Spirits ability that can be equipped once.
Learning Waking Dream
Kingdom Hearts 3D: Dream Drop Distance