After the meat mountain is finished, go to the tree of life (as long as it is very high, the tree of life is the easiest) and climb it until a hidden banshee appears, and then brush out a flying dragon (it may be Huanglong or Bailong, but the falling objects are the same) to get the flying soul.
Be careful not to leave when taking a taxi, or it will disappear.
Article synthesis:
Many of the best props in the game are not produced in underground treasure boxes, nor are they dropped by boss. Many things need to be synthesized by players in specific places with specific materials.
For example, to synthesize the blade of Tara in the game, the player needs to synthesize the blade of the long night with four weapons: bloody butcher knife/exorcism light, lava sword, demon knife and Zheng on the demon (bloody) altar.
The sword of the night is synthesized by the sword of the night and the broken arrow of the hero who killed a monster during the solar eclipse, and then the sword of the true god is synthesized by the thin sword made of the sacred ingot and the broken arrow of the hero.