What did General Thunder break through the material and hit, boss?

General Thunder's breakthrough materials can be obtained by playing the following boss: Quan Xian, Gong, Emperor Air Mass disaster star Jin Shouzhu and Wu. Among them, Lei Yin Quan Xian is the most likely to drop five-star relics among all boss, but only when he is defeated for the first time will he drop gold coins and other rewards.

In addition, a lot of breakthrough materials can be obtained by completing the first act of the second chapter of the main task, "Immobile Lightning God, Eternal Promised Land" and the second act "Without thinking or thinking, the bubble will burst".