In order to create a guild, player must be Level 20 or higher. Player can create a guild by visiting Guild manager NPC at free of charge.

DeFugel Guild manager NPC can be found at Magnaksia Advanced base in Kether.
Craxion Guild manager NPC can be found at the Headquarter of Blo Brunak Magic knights in Malkuth.

The name of NPC for DeFugel is [Guild Manager] Jimel
The name of NPC for Craxion is [Guild Manager] Obidis

In the menu, type in the name of the Guild and click Yes to create a Guild.