Wielder of (at least one) Keyblade who were at the peak of their skills, Keyblade Masters could take on apprentices and train them in how to wield a Keyblade, some were even apprentices before passing their trials. However, not all Keyblade Masters were trained by another, some selftaught themselves the skills needed to fight and wield a Keyblade.
Potential Keyblade weilders who have passed their Mark of Mastery Exam and balancing vvery extordinary fighting and useage of magic are qualified to be True Keyblade Masters.
King Mickey and Aqua are the two active Keyblade Masters, Sora & Riku will become Keyblade Masters After They pass their Mark Of Mastery Exam
Keyblade Masters have exteraordinary powers like perform the Keyblade Inheiritance Ceremony and extracting one's heart. they are expers of using magic and physical attacks.
Keyblade Masters & Future Keyblade Masters
Master Yen Sid (Retired)
Selena Licht ( Grand Master)
Lady Kaizarina Sage
Headmistress Kaizaria Sage
Master Mira Lightkamikaze
Master Yami Light
Master Claire Dawn
Master Kira Darkamikaze
Xehart Light ( Head Master/ Grand Master )