Regatha is the plane where the Order of Heliud was founded. It is known for a magical phenomenon called the Purifying Fire. Parts of Regatha are highly volcanic, and wildlife like the Embermaw Hellion has adapted to living in fiery conditions.
Regatha has been visited by Jaya Ballard, Jace Beleren, and Gideon Jura. Chandra Nalaar made it her home.
- The Great Western Wood, home to reclusive elves
- Mount Keralia
- Keral Keep, a monastery founded by followers of Jaya Ballard
- Zinara, the city ruled by the Order of Heliud.