The Arch-Magi are the protectors of wisdom and the arcane arts.  Arch-Magi have devoted themselves to the pursuit of knowledge and the use of magery, and have become masters of their trade.  An Arch-Magi can Corp Por, or Kal Vas Flam nearly any enemy of OBD into submission, and it is one of their jobs to do just this.

To achieve the rank of Arch-Magi one must:
Be GM in at least one Magery related skill and have a magery skill of at least 90%
Have a working knowledge of spells and reagents.
Hold the rank of Sage for at least 1 week.
Defeat two current Arch-Magi in best out of 5 duels.
Have a squire.

There is no limit to how many Arch-Magi may serve at any given time so an Arch-Magi can only be ousted from his/her rank in the same ways in which a Sage can be ousted from their rank.

The High Enchanter/Enchantress shall be the title of the person who leads the Arch-Magi.  Since only one High Enchanter/Enchantress will serve at any given time once defeated in a duel for their title the High Enchanter/Enchantress will be forced to become an Arch-Magi and fall in rank.

To achieve the rank of High Enchanter/Enchantress one must:
Be GM in Magery and another Magery related skill.
Have a working knowledge of spells and reagents.
Hold the rank of Acolyte for at least 3 weeks.
Defeat the current High Enchanter/Enchantress in a best out of 5 duel.
Have a squire who has achieved the rank of Sage.
Have a squire.