Hollow Knight Silksong features a sprawling roster of over 40 bosses, blending mandatory story encounters with optional challenges. Below is a breakdown of confirmed major battles, their locations, and strategies:

Moss Mother

• Location: Moss Grotto (first boss)
• Attacks: Aerial swoops, ceiling slams causing falling debris, and minion summons.
• Strategy:
  – Strike during her low-hovering moments.
  – Quickly eliminate summoned creatures in later phases to prevent arena overcrowding.

Bell Beast

• Location: The Marrow (requires Silkspear unlock)
• Behavior: High-speed charges, leaping attacks, and falling bell projectiles in Phase 2.
• Reward: Unlocks fast travel after defeat.
  – Use pogo jumps during her charges.
  – Attack during post-leap recovery windows.

Lace

• Location: Deep Docks (skill-check fight)
• Patterns: Sword thrust combos, teleportation circles, and diagonal aerial strikes.
• Tips:
  – Bait her downward dives for counterattacks.
  – Evade glowing teleport indicators to avoid multi-hit combos.

Savage Beastfly (Optional)

• Location: Hunter’s March (near Chapel of the Beast)
• Dangers: Horizontal/vertical charges and mid-fight minion spawns.
• Weakness:
  – Lure charges into walls for stun opportunities.
  – Single-hit strikes during dive pauses before avoiding slam shockwaves.

Fourth Chorus

• Location: Far Fields (lava arena)
• Gimmick: Platform-destroying arm swings and lava surges.
• Solution:
  – Focus attacks on its head.
  – Break slag heaps to drop stalactites for heavy damage.

Moorwing (Optional)

• Location: Greymoor
• Attacks: Ground-skating energy orbs and multi-hit shredding lunges.
• Approach:
  – Punish after projectile barrages.
  – High-risk pogo attacks possible but timing-sensitive.

Trobbio (Recurring/Optional)

• Style: Theatrical fireworks-based combat.
• Counterplay:
  – Dash through projectile pattern gaps.
  – Exploit recovery periods after his explosive finales.

Seth (Optional/Quest)

• Mechanics: Shield absorption, counter lunges, and thrown shield projectiles.
• Key:
  – Only attack post-shield throw or after counter recovery.
  – Over-aggression triggers punishing responses.

Sharpe (Recurring)

• Weapon: Whip-like proboscis with deceptive range.
• Later Fights: Gains ally reinforcements.
  – Dodge early and counter from behind.
  – Avoid jumping unless fully memorizing attack arcs.

Carmelita

• Title: Hunter Queen
• Signature: Aerial dagger spins triggering ground spikes.
• Advice:
  – Wait out aerial combos completely.
  – Premature approaches risk impalement.

Last Judge

• Role: Late-game skill barrier.
• Threats: High-speed charges, arena-wide fire geysers, and deceptive thurible throws.
• Survival:
  – Downstrike during charge recoveries.
  – Study attack wind-ups to distinguish rush from projectile throws.

Widow (Unclear Placement)

• Details: A late/mid-game predator boss (exact placement pending).

Each boss encounter in Hollow Knight Silksong emphasizes pattern recognition and calculated aggression. The variety ensures players must adapt—whether parrying Lace’s surgical strikes or enduring the Last Judge’s blistering onslaught.