"From the pyres they rose, charred but unbroken, wielding the flames meant to destroy them."
Level 3
Ashen Brand.
Whenever you apply an Affliction to a target, you also inflict Smoldering. Smoldering counts as an Afflication for your Hexbinder spells.
Heatseeking Curses.
When an attack, Hex or spell against a Smoldering target would miss, you can remove Smoldering to make it hit instead.
Level 7
Burning Frenzy.
Targets inflicted by Frenzied have advantage 1 for their first attack each round.
Fire Infusion.
Your Diminution gains another condition: Heatsink. Remove the Smoldering condition from the target.
Level 11
Molten Armor.
Learn the Sundered Affliction. When you inflict Sundered on a Smoldering target, it takes LVL fire damage ending the Smoldering condition.
Level 15
Ignite the Pyre.
(1/Encounter) All enemies within Reach 4 gain Smoldering. If they already had Smoldering they take LVL fire damage instead.