Explosion

You sweat a nitroglycerin like substance that, when ignited, causes an explosion. This can be used to amp up your attacks, dealing fire damage. The blasts can also be used to propel yourself, and even focus a blast.

Sweat

You gain "sweat" points equal to your level plus proficiency that can be used on various abilities.

Explosive Hit

When you land an unarmed melee attack you deal an extra 1d6 fire damage.

This damage increases to 1d8 at level 10, and 1d10 at level 15.

Amped hit

When you land a melee hit, you can choose to expend 2 sweat points to add an additional 2d6 fire damage to your attack.

This damage increases to 2d8 at level 10, and 2d10 at level 15.

Propulstion

As a reaction, you can expend 3 sweat points to evade an incoming attack and move up to 10 feet away.

The distance you can move is increased to 30 feet at level 18.

Howitzer Blast

As an action, you can spend 10 sweat points to unleash a massive explosion, in a 30 foot cone all creatures must make a Dexterity saving throw or take 8d8 fire damage and be Blinded. Half as much damage and no other effects on a pass. (DC = 10 + dexterity mod + proficiency bonus)

Damage increases to 12d8 at level 18.

Continuous Explosions

As a full turn, you can spend 15 sweat, when you do all creatures in front of you (three squares directly in front) must make a constitution saving throw or be pushed back 15 feet and take 15d6 fire damage. Half damage and no other effects on a pass.

Damage increases to 20d6 at level 18.

Distance pushed increased to 25 feet at level 18.

Explosion Potency

Your basic Explosion attacks now deal 1d10 damage.

Your Propulsion distance increases to 30 feet

Your Howitzer Blast now deals 12d8 damage.

Your Continuous Explosion Damage increases to 20d6, and the distance it pushes enemies is increased to 25 feet