I. A New Open World Map!
1. New area on the West Continent: Mt. Ollie.
Located in the northern part of the world map, Mt. Ollie is capped with snow all year round and the weather is very cold. There used to be a famous resort town here which was a paradise for skiing enthusiasts. The once big and bustling St. Paul's Hotel, the snowy forest labyrinth, the abandoned city that has been long frozen over, the mirror-like Winter Bay, the ruined train junkyard, and local legends of mysterious creatures... Explore all these and more on the mountain!
2. New map exploration tools and features.
Complete the tutorial mission to collect the new hang glider tool for a new way to get around. With the new zipline feature, players can use ziplines they find along the way to traverse terrain quickly and easily.
3. Resources exclusive to the mountain. You can find the gatherables and animals exclusive to the mountain such as moose and snow wolves scattered throughout the map.
4. More powerful Aberrations and enemies to fight. You may encounter the new ice cave Aberration or Lockheed soldiers in some parts of the mountain. Be careful!
5. New mountain update to the Adventure Handbook. Time to brush up on your survival skills for icy environments!
6. New ways to explore the Snowy Mountain map. Keep an eye out for the new exploration content on the Snowy Mountain map, including treasure maps and photo check-ins.

II. New Story Content
1.Mountain main missions are unlocked at level 100.
The disaster continues to unfold, and fast. Analysis of intel from the Venus Lab and Aurich Island suggests that a visit to Mt. Ollie may uncover the true cause of the disaster. This was the first place to become contaminated, after all...

2.New Adventure Guide content: It's time to explore Mt. Ollie!

III. New Class System
1.New Class System
The Expertise system has undergone extensive improvements to become the new class system. The Expertise screen is now the Class screen.
In this update, players will have five classes to choose from.
New Classes
- Heavy Guardian
Heavy Weapon: SH95 Gun Shield
Exclusive Equipment: High-Performance Tactical Shield
Special Equipment: Transformable Portable Shelter
Class Specialties: Enhanced survival and firepower
- Artillerist
Heavy Weapon: M134 Heavy Gatling Gun
Exclusive Equipment: Enhanced MG Turret
Special Equipment: "Dragon's Roar" EM Bio Activation Device
Class Specialties: Heavy and continuous damage output
- Sharpshooter
Heavy Weapon: M82 Heavy Sniper Rifle
Exclusive Equipment: EM Tactical Car
Special Equipment: Tactical Eyewear
Class Specialties: Burst damage + firepower at super long range
- Explosives Specialist
Heavy Weapon: M32 Grenade Launcher
Exclusive Equipment: Splitting Grenade
Special Equipment: Falcon Mk. II: Cluster Munition Delivery Package
Class Specialties: Area damage, heavy firepower
- Medic
Heavy Weapon: B39 Biotic Rifle
Exclusive Equipment: Enhanced Healing Device
Special Equipment: V3 Hormone Gun
Class Specialties: Healing Expertise, team survival

2.New: Class-exclusive drones
- New class-exclusive drones will give you that extra shot in the arm on the battlefield.
- Players at level 100 or above can go to Caine at Ravens Shelter to start the drone unlocking mission. Complete the mission to get the corresponding drone modules.

IV. New Special Ops
In the new expansion, we've worked to reduce repetitiveness and introduce more novelty in our Special Ops for players of various types. We hope that you'll find Special Ops more thrilling and fun than ever as you work towards the premium rewards available.

- New Special Ops content
1. Two new Daily Special Ops: Elros's Energy Lab and Winter Bay Drilling Platform.
2. New Desperation Special Op (Snow Train) as well as Challenge Special Op (Energy Lab).
3.New mountain strongholds: Winter Bay Drilling Platform, Elros's Energy Lab.