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As the Dream Fae were summoned and we saw them adorably wandering around aimlessly, shaped as pillows from all things, we moved to summon the second and last batch of creatures that will defend us in the Dream Realm, these originating from another of Morpheus' new Abilities he learned after his most recent evolution.
"{Summon Cursed Nightmare Undead}!"
FLUOOOSH!
Instead of the clouds of pink color, this time, some black gas-like substance leaked out of Morpheus skulls, spreading everywhere around me, and rapidly taking shape. The smoke, or gas, quickly became humanoid, and then solidified into black bones, spectral-looking beings, and will-o-wisps.
These were Cursed Nightmare Undead, powerful Undead-type summons that were also Nightmare Spirits of some sort, they weren't true Undead as you didn't need any corpse or souls to summon them though, but rather, imitations of them.