Mount Fay Crystal Cave Guide

Discover the hidden crystal cave and obtain the powerful Memory Crystal tool

What is the Memory Crystal?

The Memory Crystal is a powerful blue slot tool with unique mnemonic properties. When Hornet takes damage while carrying this crystal, it forms a memory of the bearer in crystal form. This memory will shatter into sharp spines if an enemy comes into contact with it, providing defensive capabilities and strategic advantages in combat.

Tool Properties

  • Slot Type: Blue
  • Effect: Defensive memory formation
  • Activation: Triggered by taking damage
  • Combat Use: Area denial and enemy damage

Strategic Benefits

  • Creates defensive barriers when damaged
  • Damages enemies that touch crystal memories
  • Provides tactical positioning advantages
  • Useful for crowd control situations

Finding the Crystal Cave

The Mount Fay crystal cave is one of the most well-hidden secret areas in the game. Located behind a series of environmental puzzles and requiring advanced platforming skills, this crystalline chamber houses the powerful Memory Crystal tool.

Location Details

Step-by-Step Access Guide

Prerequisites

Access Steps

  1. Reach Mount Fay's Eastern Slope: Navigate to the eastern side of the mountain where icicle formations are prominent
  2. Locate the Icicle Puzzle: Find the area with three distinct ice pillars arranged in a specific pattern
  3. Solve the Environmental Puzzle: Interact with the ice pillars in the correct sequence (Left, Center, Right)
  4. Use Clawline on Ice Formations: Once the puzzle is solved, grapple onto the revealed ice formations
  5. Navigate the Hidden Passage: Follow the concealed pathway that opens up behind the icicle formations
  6. Enter the Crystal Cave: Descend into the crystalline chamber where the Memory Crystal awaits
  7. Claim the Memory Crystal: Interact with the crystal formation to obtain this powerful tool

Environmental Puzzle Solution

The crystal cave access requires solving a specific environmental puzzle involving three ice pillars. Here's the correct sequence:

Puzzle Sequence

  1. Left Pillar: First interaction
  2. Center Pillar: Second interaction
  3. Right Pillar: Final interaction

Visual Cues

  • Look for slightly glowing ice formations
  • Notice the different heights of the pillars
  • Watch for subtle environmental changes
  • Listen for audio cues when interacting

Advanced Tips for Crystal Cave Access

Platforming Techniques

Common Mistakes to Avoid

Post-Acquisition Benefits

Once you obtain the Memory Crystal, you'll have access to a unique defensive tool that can significantly enhance your combat effectiveness. The crystal's memory formation ability provides strategic advantages in challenging encounters throughout Silksong.