For those using the Aion 5.8 client for private server projects:
The "Aion 5.8 client" refers to the game data and executable files (version 5.8) released during the "Eternal Bastion" update cycle. Historically, this patch sits in a sweet spot. It came after the controversial 4.0 "Dark Betrayal" changes but before the dreaded 6.0 update, which removed the "Kinah" currency cap simplified gear progression to the point of boredom. aion 5.8 client
The biggest complaint about the Aion 5.8 client is that it was designed for DirectX 9. On a high-refresh-rate monitor (144Hz+), you will experience screen tearing or stuttering. Here is the professional tweak guide: For those using the Aion 5