Boo YoshiEgg is YoshiEgg Nook's Boo transformation in YoshiEgg: Key, YoshiEgg: Tilt N' Tumble, and many others.


YoshiEgg as a Boo can now become transparent and go through certain walls, lick enemies to stun them, float, and make shadow balls and ectoplasmic electricity waves to shoot at foes. The only ghostly powers he can use when he is not Boo YoshiEgg are shadow balls and ectoplasmic electricity waves.

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