Way of Fire is a heavy armor set. When you deal damage with a Weapon ability, you have a 20% chance to deal an additional 4000 Flame Damage. This effect can occur once every 2 seconds.
Way of Fire is part of the base game and drops in Craglorn in the Overland content. You can also find it on Guild Traders. Each set item is bound on equip. You can acquire heavy armor, jewelry and weapons for this set in the Yokudan motif style.