(and the standalone expansion Tribes of the East ) was the turning point. The developers introduced the Skill Wheel , a diagram designed by the community (specifically the fan "Marcel") and officially integrated into the game manual/help system. It visually mapped out how skills connected to abilities and ultimate perks.
Fans created interactive "Skill Wheel" apps (Flash-based or PDFs) to help players pre-plan their builds. heroes 5 skill wheel 16