Nightmare King Grimm, Hollow Knight Wiki

Nightmare King Grimm is the optional final boss of The Grimm Troupe in Hollow Knight. He is the Dream form of Troupe Master Grimm. Unlocking his Journal entry requires defeating him in Dirtmouth. While he can be fought in the Pantheon of Hallownest and the Hall of Gods, defeating him there does not unlock his Journal entry. This means that his entry can never be obtained after banishment. To start the fight with Nightmare King Grimm, it is required to have the Grimmchild Charm equipped, though t

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Vengefly King, Hollow Knight Wiki

Nightmare King, Grimm. The only nightmare-ish thing about him is his boss fight, cause he actually has a cute design. But yeah, lil drawing I made, hope y'all like it. : r/HollowKnight

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The Grimm Troupe (Quest)

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The Grimm Troupe (Quest)

Nightmare King Grimm, Wiki