Good to see you, Pilots
Heroes In the Sky.
Wraith from fighters will appear randomly in all missions.
Shoot down wraith and get Secret box. Rewards will be provided depending on the numbers of boxes you acquired.
Reward
Secret box 50ea: Gear Protect ++ x 3
Secret box 100ea: Imp. Stabilizer II x 5
Secret box 300ea: Upgrade Lv10 Stabilizer x 1
Secret box 600ea: Spectre Missile x 1
Secret box 800ea: Spectre Bomb x 1 , Spectre Rocket x 1
* Secret box will be gone after this event is over.