Grimm Hollow Knight
Grimm from Hollow Knight as a playable survivor with two forms: the Troupe Master and the Nightmare King. Fire, firebats, a cape that opens like wings and the original Hollow Knight audio. Unofficial fan mod.Grimm
Grimm, master of the Grimm Troupe, as a Risk of Rain 2 survivor. Fight as the Troupe Master with fire, firebats and a cape that opens like wings - and press X at any time to become the Nightmare King, with four skills of his own.
Unofficial, non-commercial fan mod. Not affiliated with or endorsed by Team Cherry. Hollow Knight, Grimm and the original audio belong to Team Cherry.


Kit
| Slot | Troupe Master | Nightmare King |
|---|---|---|
| Passive | Nightmare King: press X (D-pad Up on a controller) to transform and back. The Nightmare King gains damage, armor and speed. An icon above your special shows which form you'll switch to. | |
| Primary | Showman's Flame: fireballs from alternating hands (180%, 25% ignite) that curve toward enemies near your aim. | Nightmare Flames: rapid piercing red fireballs (160%, ignite). |
| Secondary | Firebats: hold the cape open and release 9 firebats (100% each, ignite). | Nightmare Balloon: inflate and float, spitting rings of 8 fireballs (160% each, ignite); armor while inflated. |
| Utility | Vanish: disappear in flame and reappear where you aim, up to 30 m, invulnerable while gone. 2 charges. | Nightmare Dash: dash through enemies (300%, ignite), along the ground or where you aim in the air. 2 charges. |
| Special | Pillars of Flame: fire pillars erupt under up to 3 enemies where you aim (500%). | Ground Spikes: claws into the ground, spikes burst around you (300%) and race outward in 5 waves (400%). |
Settings
In the mod's config file (com.vibon.Grimm.cfg): transform key and controller button, an
optional transform cooldown, the Nightmare King's bonuses, his battle music on/off and the
model size.
Multiplayer
Every player needs the mod, same version.
Known issues
- Item displays are not set up yet (items don't show on the body).
Contact
Feedback and bug reports: Discord - vncs.
Credits
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3D models by Brandon Ehrman (NyxNoire), licensed CC BY 4.0:
Rigged, animated and adapted for Risk of Rain 2 (new arms, bat-wing cape, vest, collar and body, recoloured, reduced polygons).
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Sound effects, voice and music from Hollow Knight by Team Cherry - music and sound design by Christopher Larkin. Used without permission in a free, non-commercial fan mod; will be removed on request of the rights holders.
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Built on the HenryMod survivor template by rob (ArcPh1r3/HenryTutorial).
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Skill icons: original renders of the models above.
