Hollow Knight: Silksong - Bosses

The major and optional bosses of Hollow Knight: Silksong, roughly in the order Hornet encounters them across Pharloom's three acts. The game features more than 40 bosses counting variants.
of 20 entries · updated 2026-09-15
Name Type Description Region Phases Rewards
Moss Mother Main Boss The first true boss of Silksong, a bloated moss-covered creature encountered in the opening Moss Grotto. Moss Grotto Single phase Progress into the lowlands
Bell Beast Main Boss A hulking, bell-clad beast that acts as an early skill check in The Marrow. The Marrow Single phase Access further into Pharloom
Lace (First Encounter) Main Boss Hornet's first real duel with the elegant rival Lace, fought amid the machinery of Deep Docks. Deep Docks Single phase Story progression
Fourth Chorus Main Boss A choral, song-themed boss guarding the route upward through Pharloom's lowlands. Pharloom Single phase Route progression
Savage Beastfly Optional Boss An aggressive airborne predator found in Hunter's March. Hunter's March Single phase Optional upgrades
Sister Splinter Main Boss A many-limbed spider-like guardian of Shellwood who fights from the forest's vertical canopy. Shellwood Single phase Shellwood progression
Moorwing Main Boss A winged terror of the foggy marshlands of Greymoor. Greymoor Single phase Progress toward Bellhart
Widow Main Boss A haunting, web-spinning boss whose fight centres on silk, webbing, and entrapment. Pharloom Multiple phases Story and route progression
Skull Tyrant Main Boss A heavy, bone-clad brute and one of the more punishing mid-game damage checks. Pharloom Single phase Progression past the mid game
Great Conchflies Main Boss A buzzing swarm of oversized conchflies fought as a single boss encounter. Pharloom Single phase Route progression
Crust King Khann Main Boss The bloated, armour-plated ruler of the Deep Docks, fought among the district's machinery. Deep Docks Single phase Deep Docks progression
Cogwork Dancers Main Boss A pair or trio of mechanical dancers that fight in perfect, balletic rhythm inside the Citadel's machinery. Cogwork Core Multiple phases Citadel progression
Broodmother Main Boss A vast, egg-laden mother creature deep in the Citadel, spawning swarms to pressure the arena. Citadel of Song Multiple phases Citadel progression
Crawfather Main Boss An oversized, bloated crawling beast that serves as a late-game wall. Pharloom Multiple phases Late-game progression
Trobbio Optional Boss A flamboyant performer who turns his boss fight into theatre, complete with stagecraft and showman banter. Citadel of Song Multiple phases Optional rewards
The Last Judge Main Boss The towering arbiter of the Citadel and one of the game's major gatekeepers. Citadel of Song Multiple phases Entry to the Citadel's upper reaches
Phantom Main Boss A spectral duellist who fights with illusion and speed, splitting into copies to confuse the player. Citadel of Song Multiple phases Citadel progression
Bell Eater Main Boss A looming bell-devouring horror encountered in the late game's highest reaches. The Cradle Multiple phases Path to the finale
Clover Dancers Main Boss A late-game trio of dancers that fight as an ensemble, echoing the Cogwork Dancers with a far steeper difficulty curve. Pharloom Multiple phases Late-game progression
Grand Mother Silk Final Boss The divine Weaver-monarch of Pharloom and the final boss of the base game. The Cradle Multiple phases Endings
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