The High-Level Flying Skill Book Pack is an item that grants one of two random High Level Flying Skills: Galaxy Crossing Four Secret or Butterfly Loves Flower. The Flying Skill scripts obtained are bound to the account, meaning players must rely on chance to acquire their desired skill.
Obtaining[]
World Auction[]
High-Level Flying Skill Book Pack (bound) can be purchased from the World Auction after a World Boss is defeated (minimum cost 
11 Liang). If nobody bids on the item, it's sent to the team leader who defeated the boss as an unbound item.