Sanctum Challenge: Frigid Waters is one of Aniimo's ice-and-water Sanctum dungeons. Here's where to find it, how the Ice Platform puzzle works, and where to find all three hidden chests.

Before You Start

The player skill Gravity Pull unlocks at II Student rank. Make sure you've unlocked it before entering if you want to claim every chest.

Dense waterways split the platforms in Sanctum Challenge: Frigid Waters into isolated islets. Mastering the shift between ice and water is the key to moving forward.

The Sanctum Challenge: Frigid Waters challenge dungeon screen, showing its description and first clear reward

How to Find Sanctum Challenge: Frigid Waters

Sanctum Challenge: Frigid Waters is located in the northwest of the Beast Fang Ridge region. Use the map's tracking feature to reach its entrance, since the sanctum itself is underground.

The map showing Sanctum Challenge: Frigid Waters tracked in the northwest of Beast Fang Ridge

Sanctum Challenge: Frigid Waters Objective

The main objective is to reach the heart of the sanctum and restore the Vein. Aside from that, there are 3 chests hidden throughout the sanctum.

The Sanctum Challenge popup for Frigid Waters, showing the objective and chest count

How to Solve the Ice Platform Puzzle

The puzzle in Sanctum Challenge: Frigid Waters centers on the player skill Gravity Pull together with Sealed Aniimo Fenrier's Ice Blade skill, which forms temporary Ice Platforms over the water.

View Fenrier's full details

Aim Fenrier's Ice Blade across the water hazards to generate walkable ice surfaces.

Ice Platforms have an active duration and cooldown, shown in the UI by the Ice Icon. Keep an eye on the icon so a platform doesn't expire while you're crossing a gap.

An Ice Platform showing the Ice Icon that tracks its remaining duration

Chest Locations in Sanctum Challenge: Frigid Waters

ChestLocation
Chest 1On the left side, immediately after crossing the first Ice Bridge puzzle.
Chest 2On the left side, after completing the second Ice Bridge puzzle.
Chest 3On the right side of the Scale Balancing puzzle room.

Repairing the Vein and Rewards

Once you've obtained all 3 chests, head to the end of the sanctum and interact with the cube to repair the Vein and obtain a Lumin Amber.

Interacting with the cube at the end of Sanctum Challenge: Frigid Waters to repair the Vein

Clearing Sanctum Challenge: Frigid Waters for the first time also rewards 500 EXP.

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