Comprehensive Boss Roster

Explore our continuously updated catalog of Silksong’s formidable opponents, complete with encounter requirements and strategic insights. The following index organizes adversaries by encounter phase and combat necessity.

Boss	Location	Mandatory or Optional
Voltvyrm	Voltnest (Sands of Karak)	Optional (Act Three)
Watcher at the Edge	Sands of Karak	Optional (Act Three)
Skarrsinger Karmelita	Far Fields	Mandatory (Act Three)
Bell Eater	Summon Bell Beast	Mandatory (Act Three)
First Sinner	The Slab	Secret Optional (Act Two)
Unravelled	Whiteward	Secret Optional (Act Two)
Father of the Flame	Wisp Thicket (far west)	Optional (Act Two)
Broodmother	The Slab	Optional (Act Two)
Disgraced Chef Lugoli	Sinner’s Road	Optional (Act Two)
Groal the Great	Bilewater	Optional (Act Two)
Forebrothers Signis and Gron	Deep Docks	Optional (Act Two)
Raging Conchfly	Coral Tower	Optional (Act Two)
Grand Mother Silk	The Cradle	Mandatory (Act Two)
Lace	The Cradle	Mandatory (Act Two)
Trobbio	The Stage	Mandatory (Act Two)
Cogwork Dancers	Cogwork Core	Mandatory (Act Two)
Phantom	Exhaust Organ Requires completing Bilewater Mist Puzzle	Secret Optional (Act One)
Great Conchflies	Blasted Steps	Optional
Moss Mother (x2)	Weavenest Atla	Optional (Act One)
Moorwing	Greymoor	Optional (Act One)
Skull Tyrant (2)	Moss Grotto	Optional Rematch (Act One)
Skull Tyrant (1)	The Marrow	Optional (Act One)
Savage Beastfly	Hunter’s Marsh	Optional (Act One)
The Last Judge	Blasted Steps	Mandatory (Act One)
Widow	Shellwood	Mandatory (Act One)
Sister Splinter	Shellwood	Mandatory (Act One)
Fourth Chorus	Far Fields	Mandatory (Act One)
Lace	Deep Docks	Mandatory (Act One)
Bell Beast	The Marrow	Mandatory (Act One)
Moss Mother	Moss Grotto	Mandatory (Act One)

Strategic Battle Map

Explore this interactive schematic detailing enemy positions across Pharloom’s regions. Spatial awareness proves crucial for optimizing combat preparation and resource management.

Moss Mother Encounter

Combat Zone: Moss Grotto (Ruined Chapel sector)

This introductory battle emphasizes evasion tactics and precision strikes. Observe particulate showers to anticipate falling debris and summoned minions. Prioritize aerial mobility to counter her sweeping lunge maneuvers.

Bell Beast Strategy

Battlefield: The Marrow (northeastern quadrant)

Time your strikes during descent phases following aerial assaults. Utilize terrain elevation to avoid projectile barrages while maintaining offensive pressure during vulnerability windows.

Lace Combat Analysis (Deep Docks)

Conflict Site: Deep Docks transit area

Maintain defensive spacing to neutralize rapid thrust attacks. During circular assault patterns, prioritize perimeter movement and capitalize on post-attack recovery frames for counterstrikes.

Fourth Chorus Tactics

Engagement Arena: Far Fields western approach

Monitor environmental collapse patterns while maintaining elevated positioning. Focus attacks on cephalic weak points during platform rearrangement sequences.

Moorwing Combat Approach

Confrontation Site: Greymoor southern expanse

Leverage projectile weapons to maintain safe engagement distances. Bait collision errors with environmental structures to create attack opportunities against this aerial adversary.

Sister Splinter Engagement

Battle Ground: Shellwood central sector

Implement crowd control tactics during minion swarm phases while destroying terrain obstacles. Prioritize vertical mobility to avoid ground-based area attacks.

Widow Combat Mechanics

Conflict Zone: Bellhart northern reaches

Adapt to evolving attack patterns during phase transitions. Maintain constant lateral movement to evade projectile patterns while exploiting brief counterattack windows.

Great Conchflies Strategy

Combat Area: Blasted Steps eastern plateau

Implement divide-and-conquer tactics against paired opponents. Monitor subsurface vibrations to anticipate emergence patterns while focusing damage on a single target.

The Last Judge Ultimate Challenge

Final Arena: Blasted Steps summit

Prepare for complete combat pattern overhaul during phase transitions. Prioritize defensive positioning against pyrotechnic assaults while exploiting brief melee opportunities after complex attack sequences.