Ember Knight (Revised)

Those who walk the path  of the Ember Knight have embraced the fiery passion of battle, Channeling it into their vary being. Some use it as a light to lead others, while some use it as a force of destructive power to rend their foes. One thing they all have in common is the passion they have for battle.

Fiery Strikes

Starting at 3rd level you can use a bonus action to imbue attacks with the heat of battle. All attacks deal an additional 1d4 fire damage for 1 minute. You also gain resistance to fire damage during this duration. The gets replaced by a 1d6 at 7th and 1d8 at 11th You can use this feature a number of times equal to 1+ Con modifier (minimum once) per long rest. Gaining any and all expended uses on a long rest.

Fiery Soul

Starting at 7th level when you are reduced to 0 hit points you can instead drop to 1 hit point. When you use this feature you generate a fiery explosion centered on you that has a radius of 15 feet creatures within this radius make a dexterity saving throw of DC 8+Prof+Con. On a failed save they take 4d8 fire damage and half as much on a successful save. Cannot use this feature again until you complete a long rest.

Eyes Aflame

Starting at 10th level, the flame inside of you emits light in a 30 foot radius. You can suppress this light as a bonus action. While using fiery strikes the additional fire damage ignores resistance and treats immunity as a resistance.

Exalted Embers

Staring at 15th level you are hot to the touch, and gain a permanent immunity to fire damage. You permanently deal an extra 1d6 fire damage with weapon attacks.  This damage increases to a 1d8 at 18th level.

Inferno

Beginning at 18th level, in combat you have become a walking fire. While fiery strikes is active you have a 5 foot radius of flames centered on you. All creatures in range must succeed on a DEX saving throw DC of 8+Prof+Con taking 4d8 fire damage if they fail, or half as much on success, when starting their turn in this radius.