High Sage

"fire"

- All hail Fire Lord Zuko.

The High Sage is the highest member of all the Sages loyal to the Fire Lord and the one who crowns his heirs.

History
When Fire Lord Ozai turned himself into the Phoenix King and declare Azula as the new Fire Lord the High Sage was the one that would crown her Fire Lord till the moment that Zuko and Katara appeared in the Fire Nation Royal Palace. After Zuko beat Azula in Agni Kai and put her in jail he took the throne and he crowned by the High Sage. The High Sage is the highest member of all the Sages and loyal only to the Fire Lord that's why he crown the heir when the Fire Lord dies or declare his son or daughter new Fire Lord.