Three Sages (三賢人) are the central force of the Land of Magic. They are part of the founders of the Land of Magic and each of them has her own faction.
Currently, there are only two sages whose names are revealed. They are
Shayta・Osk・Val・Mer, whose incarnation is Grim Heart, and Av・Lavchi・Puck・Valta, whose incarnation is Puk Puck.
The name of the third sage is currently unknown, but the name of the incarnation is revealed to be
Osk's Faction (オスク派) is one of the factions of the Three Sages. It is led by Shayta・Osk・Val・Mer, whose former incarnation is Grim Heart.
Grim Heart (Former Leader)
CQ Angel Hammer
Puk's Faction (プク派) is one of the factions of the Three Sages. It is led by Av・Lavchi・Puk・Valta, whose incarnations include Puk Puck.
Puk Puck (Leader)
Uluru (Former) (Deputy Leader)
Caspar's Faction (カスパ派) is one of the factions of the Three Sages. The original name of the leading sage is unknown, but the name of her current incarnation is Ratsumukanahonomenokami.
The Three Sages is based on the Three Magi in Christianity, with Shayta・Osk・Val・Mer (シェヌ・オスク・バル・メル) corresponds to Melchior (メルキオール), Av・Lavchi・Puk・Valta (アヴ・ラパチ・プク・バルタ) corresponds to Balthasar (バルタザール), and Caspar (カスパ) corresponds to Caspar (カスパール).