C772 Ability Evolution Pane

Su Yun was a little surprised. That stone actually had the effect of strengthening his special ability?

"Ding! The system notifies the host that most of the functions of the system have been shut down. The host is unable to upgrade his Esper ability level, but the system recommends... Host, collect more of these energy stones. This can allow the Asura Combat Body, Wind Weasel, Silent Location