When epic or higher-quality Gear are tuned to max level, then refined with an Attune Stone to unlock an Attuni…
When epic or higher-quality Gear are tuned to max level, then refined with an Attune Stone to unlock an Attuning Skill
After selecting how to tune, you will gain an Attuning Skill tied to the method of the selected weapon
Attuning Skills are bound to the Gear. After replacing the old Gear with a new piece, you need to re-attune the new Gear again