How to get Volt Filament in Hollow Knight Silksong

By Daniel Hidalgo | 2025-09-11 09:29:49
Hollow Knight: Silksong expands the beloved Metroidvania world with new abilities, bosses, and secrets to uncover. One of the most powerful and sought-after upgrades in the game's later stages is the Volt Filament. This essential component is key to enhancing Hornet's arsenal and tackling the challenges that await in the kingdom of Pharloom.
This guide will walk you through everything you need to know: from locating the elusive Volt Filament to defeating the guardian that holds it and finally putting its shocking power to use.

What is the Volt Filament?


The Volt Filament is a rare crafting material categorized as a Blue Tool resource. It is not a weapon itself but a crucial component used to upgrade your existing gear. When utilized, it imbues Hornet's tools with a powerful electric charge. For instance, pairing it with a dart-type weapon will create a projectile that zaps enemies, dealing significant additional shock damage over time.
Acquiring this filament is a vital step for any player looking to maximize their damage output in Act 3 and beyond.

Locating the Voltvyrm Lair in the Sands of Karat


Your journey to obtain the Volt Filament begins in the Sands of Karat, a vast desert area accessible in the game's third act. However, reaching the material requires more than just arriving in the right zone.
Prerequisite Skill: Before you attempt this quest, you must have acquired the Clawline ability. This vital movement skill allows Hornet to grapple onto specific surfaces and ascend vertically, which is the only way to access the mini-boss's domain.
The Path to Voltnest:
  • Travel to the Sands of Karat and navigate to the central part of the region.
  • Look for a extensive, deep vertical shaft. Using your Clawline skill, begin ascending the walls to climb higher than what standard jumping allows.
  • At the very top of this shaft, you will discover a hidden entrance obscured by a faint, pinkish glow. This is the entrance to the Voltnest, the dangerous home of the Voltvyrm.

  • Boss Strategy: How to Defeat the Voltvyrm


    The Voltvyrm is a formidable mini-boss that uses the charged environment of its nest to its advantage. Here’s how to emerge victorious.


    Understanding the Arena:

    The entire Voltnest is hazardous. The walls are coursing with electricity and will deal 2 masks of damage on contact. Your movement is limited to the platform floors, so careful positioning is paramount.


    Voltvyrm's Attack Patterns:


  • Electric Pillars: The boss will cling to the ceiling and fire massive pillars ofelectricity across the arena. These move horizontally and increase inspeed as the fight progresses.

    • Strategy: Time your jumps carefully to avoid them or use a well-timed dash tomove to the opposite side of the room. After each pillar attack, theVoltvyrm becomes vulnerable to melee attacks for a short window.
  • Charged Orbs: The Voltvyrm will summon floating pink orbs that hover in the air.After a moment, these orbs burst, releasing a field of electricity thatdeals damage in a large Area of Effect (AoE).

    • Strategy: Do not panic. The safest method is to move to either the far left orright corner of the platform and wait for the explosions to conclude.This attack is about patience, not evasion.

  • The key to this fight is a methodical approach. Focus on dodging its aggressive attacksfirst. Only commit to striking when you are certain it's safe, typically right after it finishes an electric pillar volley. The fight may taketime, but this cautious strategy will conserve your health and lead youto victory.

    Claiming Your Reward


    Once you have defeated the Voltvyrm, a shimmering, purple light will descend from the ceiling. Approach and interact with this glow to finally claim your hard-earned prize: the Volt Filament.


    With this powerful component now in your inventory, head to a craftingstation. You can use it to upgrade applicable tools, adding adevastating electric effect to Hornet's attacks that will make theperils of Pharloom that much easier to conquer.

    Tags: Silksong
    Platform(s): Microsoft Windows PC, macOS, Linux, Nintendo Switch, Nintendo Switch 2, PlayStation 4 PS4, PlayStation 5 PS5, Xbox One, Xbox Series X/S
    Genre(s): Metroidvania
    Developer(s): Team Cherry
    Publisher(s): Team Cherry
    Engine: Unity
    Release date: 4 September 2025
    Mode: Single-player
    Age rating (PEGI): 7+
    Video preview



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