• Level Requirement: 200
• Starting Point: (jor_nest 22, 255)
• Prerequisite: Complete the Episode 19 Main Questline

• Rewards: (amounts depend on difficulty)

• Flower Petals (1000608)
• Snow Flower Ore (1000811)
• Snowflower Gem (1000812)
• Shining Snowflower Gem (1000813)
• Brilliant Snow Flower Manastone (1000814)
• Mysterious Ore (1000833)
• Antiquity Isgard (Aquila) (102564) / Antiquity Isgard (Aquila (First Class) (102565)
• Ice Castle Reputation

Enter the airship to destroy it from the inside.
You can choose the difficulty inside the instance.
Economy (Easy): Monster HP: 2.5m, Boss HP 300m, Boss dmg reduction 10%, Boss Res/Mres 0
Business (Intermediate): Monster HP: 4m, Boss HP 500m, Boss dmg reduction 50%, Boss Res/Mres 200
First Class (Hard): Monster HP: 5m, Boss HP 600m, Boss dmg reduction 80%, Boss Res/Mres 400

1. Speak with NPC to start the instance
   
2. Choose the Send out any message option to start the instance.
   Choose the Change seat class option to change the difficulty.
   
3. If you choose Change seat class you will be given this window to change the difficulty.
   
4. Walk north and enter portal
5. Clear all enemies inside the second room, enter portal when done.
6. Clear enemies in third room
7. Walk to the upper left and enter the portal
8. Clear all enemies inside the fourth room
9. Clear all enemies inside the fifth room
10. Speak with Aquila NPC in the sixth room
    
11. Defeat Aquila.
12. After defeating Aquila, speak with the device to obtain instance rewards.