Aniimo: How to Get the Evercrystal Egg in Operation: Egg Heist

In Aniimo, the Evercrystal Egg is a Universal Accessory cosmetic: a pristine diamond egg containing the pulse of life from ancient times. It is found exclusively in Operation: Egg Heist, an extraction mode where you search ruins for rare eggs and carry them out safely.

Quick answer: Open the Legendary Sarcophagus inside the Lost Sanctum during Operation: Egg Heist to loot the Evercrystal Egg, then escape on the Egg Boat. Surviving the extraction unlocks the cosmetic.

Evercrystal Egg stats and versions

The Evercrystal Egg is an Appearance item of Epic quality worth 20 fashion. It fits both character body types, offers 10 attach points to position it, and works as both a character accessory and an Aniimo accessory, so one unlock dresses you and your companion.

A higher-grade Collector’s Edition: Evercrystal Egg also drops from the same mode. It is Legendary quality and worth 30 fashion, and placing it in the Operation: Egg Heist collectible cabinet unlocks an S1-exclusive Aniimo Accessory.

Attribute	Evercrystal Egg	Collector’s Edition
Rarity	Epic	Legendary
Fashion value	20	30
Worn by	Character and Aniimo	Character and Aniimo
Source	Operation: Egg Heist	Operation: Egg Heist

Operation: Egg Heist requirements

Operation: Egg Heist supports 1 to 3 players and sends you into the Lost Sanctum to find eggs and leave by boat. The run that yields the Evercrystal Egg is the Chaos Challenge difficulty, which carries the heaviest entry conditions.

Mode: Operation: Egg Heist, Chaos Challenge difficulty
Entry Rank: Elite Egg Seeker IV or higher
Recommended Loadout Level: Epic
Enemies inside scale to Lv. 60 on Chaos Challenge
Players: 1 to 3, solo matchmaking allowed

Fainting before you extract costs you every item in your backpack and all your equipped gear. The egg is counted only if you escape alive.

How to extract the Evercrystal Egg

Open the main menu and select Operation: Egg Heist, then choose Chaos Challenge. Start matchmaking solo or bring a team of up to three, and confirm entry through the low-player and risk warnings.

Chaos Challenge Match Setup — The party setup screen for Operation: Egg Heist, set to Chaos with a single player before you hit Challenge. Shown at 00:14 in Try Harder Gaming’s video. Image: Pawprint Studio

You spawn on Lookout Hill with a short prep countdown. Head to the ruin entrance and interact with the blue portal to load into the Lost Sanctum, where Lv. 60 Umbral enemies start appearing right away.

Sanctum Entrance & Early Encounters — Early combat inside the Lost Sanctum against an Umbral Thornblade as you move in from the entrance. Shown at 01:25 in Try Harder Gaming’s video. Image: Pawprint Studio

Push deeper through the halls, breaking cracked boulder barriers and clearing enemies such as the Umbral Tromber that block the path. Flying transformations help you cross gaps between rooms.

Clearing Obstacles & Hallway Battles — Clearing a boulder barrier and an Umbral Tromber in one of the Sanctum hallways. Shown at 02:16 in Try Harder Gaming’s video. Image: Pawprint Studio

Search the ornate chests and sarcophagi along the way to collect a Gilded Key. You can carry more than one, which is useful if the Sanctum holds several locked rooms.

Sarcophagus & Key Acquisition — A search panel after looting a sarcophagus, with ore and two Gilded Keys now in the backpack. Shown at 04:30 in Try Harder Gaming’s video. Image: Pawprint Studio

Find the sealed metal gate, defeat the Umbral Bailte guarding it, and use a Gilded Key when the prompt appears. The gate opens into the hidden vault room.

Unlocking the Gilded Gate — The barred vault gate with the Use Gilded Key prompt, the point where your collected key is spent. Shown at 04:52 in Try Harder Gaming’s video. Image: Pawprint Studio

Inside the vault, interact with the glowing Legendary Sarcophagus and search it to loot the Evercrystal Egg. It is worth 5,000,000 Eggshell Coins and weighs 1 kg, so your load stays light.

Looting the Evercrystal Egg — The glowing vault sarcophagus with the Search prompt, where the Evercrystal Egg is looted. Shown at 05:22 in Try Harder Gaming’s video. Image: Pawprint Studio

Open the dungeon map, backtrack to the exit portal to Lookout Hill, and run to the coast. Board the Egg Boat and choose Safe Evacuation to finish the run. You can also wait for the restricted PVP area to open and fight other Pathfinders for the giant egg, but that puts your haul at risk.

Confirm the unlock and display the egg

A successful escape ends the match on an Adventure Successful screen, and the Evercrystal Egg shows up in your match inventory ready to transfer into storage. That survival is what unlocks the cosmetic.

Open the Collectible Display Case and place the Evercrystal Egg to earn 30 Collectible Points, which advance the case reward track and its milestone rewards. The egg then becomes an equippable floating accessory under Appearance, Character, Accessory, confirming the unlock worked for both your character and your Aniimo.