[[quoteright:256:https://static.tvtropes.org/pmwiki/pub/images/bellum_creating_phantoms.png]]
[[caption-width-right:256:His name...is Bellum. His evil ran so deep that it leeched the very life force from me.]]

As ''VideoGame/TheLegendOfZeldaTheWindWaker'' [[NightmareFuel/TheLegendOfZeldaTheWindWaker taught us]], a cutesy art style doesn't mean the game ''itself'' has to be cutesy as well.

Hence the NightmareFuel for ''VideoGame/TheLegendOfZeldaPhantomHourglass'', [[NightmareFuel/TheLegendOfZelda true to series' tradition.]]
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* The endgame features, among other things, the scene where Linebeck saves Link, only for Bellum to possess Linebeck and turn him into a giant Phantom. Due to ArtStyleDissonance, there's next to nothing cute about this way-too-straight portrayal of DemonicPossession.
* On the Isle of Frost, players basically have to slaughter several Yook (as well as ones inside the Temple of Ice); this, despite having met one earlier, who promptly showed Link that they were clever, sentient beings, not mindless monsters. Made NightmareRetardant when then they show up again later, with no explanation other than they ate too many bombs.
* The [[SandWorm sandworms]] on the Isle of Gust get [[DemonicSpiders rather nasty]] when players move too quickly, which is about anything faster than the slightest tiptoe.
* There are also Tetra's telepathic cries for help, popping up [[JumpScare at random intervals]] when loading a saved file. [[https://www.youtube.com/watch?v=mKFbP7Tbg0E Complete with a nightmarish version of Zelda's Lullaby.]]
* Bellum himself. A giant yellow jellyfish-looking thing with [[EyesDoNotBelongThere eyes on his]] [[CombatTentacles tentacles]] and either an eye in his mouth or teeth on his eyelids. And then there's his tendency to [[JumpScare pop up out of nowhere]].