The three Megiddo spears were commissioned by the archdevil Zariel for her three strongest champions. Carved from the tails of three red dracolichs by the mad efreeti Yakhun in the Elemental Plane of Ash, these spears possess a strong attunement to the plane. They were wielded for thousands of years in the Blood War, and slew uncountable hordes of demons.
These pairs of blades were standard issue equipment for officers of the Inquisition when they launched their campaign through the Brastoe Wildlands. Fire was the most effective way to deal with the awakened plant-life both native to the area and controlled by the wild elves that lived there. The popularity of the pair of swords lasted beyond this particular campaign, and the “burning blades” eventually became a symbol of the Inquisition.
The Sages of the Silver Flame were a sect of magical warriors who fought to rid the world of all traces of fiends and their ilk. They employed a form of fire magic that was so refined and pure, it could burn away the flesh of the most powerful devils while leaving its user and their allies completely unscathed.