I searched for system requirements for Perfect World and it looks like that is a DirectX 9 game?
As AMD is retiring the pre-RDNA cards, including the RX 580, to legacy status, I doubt they will be releasing any more driver updates, particularly for 20+ year old DirectX technology.
Ryzen R7 5700X | B550 Gaming X | 2x16GB G.Skill 3600 | Radeon RX 7900XT