Moss Mother

A boss found in the Old Church who hovers and glides around the arena

Moss Mother

Statistics

Health
120 (Ruined Chapel), 350 (Act 3/Weavenest Atla), 700 (Black-threaded)
Location
Ruined Chapel, Weavenest Atla, Moss Grotto
Drops
  • Access to Bone Bottom
  • Weavelight (Weavenest Atla)
Gender
Female
A mature Mossmir specimen featuring a hardened exoskeleton and fully developed stinging appendage. The protective instincts of motherhood can transform even relatively weak creatures into dangerous adversaries.

Background

As the mature form of Mossmirs, these creatures make their home in the verdant depths of Moss Grotto. Their primary drive is protecting their offspring, making them fiercely territorial around their nesting grounds.

In-Game Events

Players first face this boss in the Ruined Chapel, marking the initial major combat challenge of the game. A more challenging variant appears in Weavenest Atla featuring two Moss Mothers fighting together, with the Weavelight Tool as your reward for victory. During the later stages of the game (Act 3), a corrupted version haunts the depths of Moss Grotto. This void-touched variant displays heightened aggression and enhanced combat capabilities.

Behaviour & Tactics

The battle begins when you either destroy one of the eggs scattered around the arena or venture to its far end. The boss dramatically bursts from a plant-like chrysalis at the center, screeching to signal the start of combat. Core Attack Patterns: • Diving Strike: The boss executes a controlled descent toward your position, stinger-first. Upon landing, momentum carries her sliding across approximately half the battle space. • Ceiling Slam: She rapidly ascends and crashes into the arena's roof, causing debris to rain down. Watch for dust clouds that telegraph where 1-2 Mossgrubs or 3 stone spikes will fall. Weavenest Atla Variation: This encounter begins solo but escalates after the first ceiling attack when a second Moss Mother joins the fray. Both bosses possess increased durability and summon 4 falling hazards instead of 3. The Act 3 version features void corruption, granting doubled damage output plus new abilities: rapid-fire void projectiles and horizontal void tendril lashes. Act 3 Moss Grotto Variant: Encountered in a spacious chamber rather than confined arenas, this black-threaded version exhibits extreme aggression with faster attack chains. Her ceiling slam now produces 6 stone spikes, and she gains a new spinning void blade attack that creates a dangerous zone around her position. Combat Recommendations: • Eliminate spawned Mossgrubs immediately - they disrupt your movement and drop valuable Silk when defeated. • Counter her diving strikes by jumping over her trajectory or executing a well-timed downward strike. • In Weavenest Atla, landing a hit right after her diving attack triggers an immediate second dive, delaying the summoning of her ally until you break her stance.

Trivia

  • The design pays homage to Gruz Mother from the original Hollow Knight - both serve as the introductory boss while being matriarchs of their species.
  • The setting in an abandoned chapel mirrors Gruz Mother's original arena concept from early Hollow Knight development.
  • Her attack patterns reference Vengefly King, particularly the diving maneuver and the ability to spawn smaller allies during combat.
  • The dual-boss encounter in Weavenest Atla echoes Vengefly King's upgraded fights in higher difficulty modes.
  • Early demo versions of Silksong featured different musical themes for this boss encounter.

External Links

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Moss Mother - Silksong Boss | Silksong Map – Hollow Knight: Silksong Interactive Map