Prince of Darkness

Born spawn to the demon king, your strength is also unmatched in raw power. Using your abyssal darkness, you can drain the life force of others and refuel your own. 

Spellcasting

Also at 3rd level, you augment your martial prowess with the ability to cast spells. You can learn spells from the Sorcerer’s spell list. Charisma is your spellcasting modifier.

Demonic Soldier of Darkness

Starting at 3rd level, possessing a fraction of the demon king’s power, your body has strengthened to be able to utilize it to your best ability. Apply the following effects to self whenever initiative is rolled; 

• If you're not wearing medium or heavy armor, you may add your charisma modifier to your armor class. 

• You gain a +1 bonus to your Strength, Dexterity and Constitution saving throw. 

• Whenever you hit a Melee Weapon Attack, you regain hit points equal to your charisma modifier.

Infernal Prowess

At 7th level, the demon king’s power continues to flow through you, enhancing your abilities further;

• Darkened Reflexes. You gain advantage on Dexterity saving throws against effects that you can see, such as traps and spells. Additionally, you can use your reaction to impose disadvantage on an enemy's attack roll that targets you or an ally within 5 feet.

• Shadow Strikes. When you make a melee weapon attack, you can choose to channel dark energy into your strike. The target must make a Constitution saving throw or be blinded until the start of your next turn. You can use this feature a number of times equal to your Charisma modifier, regaining all expended uses after a long rest. 

Aura of the Abyss

At 10th level, your connection to the demon king grows stronger, causing your mere presence to instill fear;

• Dark Resilience. You gain resistance to necrotic and fire damage. 

• Fearful Presence. As an action, you can force all creatures of your choice within 30 feet of you to make a Wisdom saving throw. On a failed save, a creature becomes frightened of you for 1 minute. A frightened creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. Once you use this feature, you can’t use it again until you finish a long rest.

Demon King's Wrath

Starting at 15th level, your demonic power reaches new heights, allowing you to unleash devastating attacks; 

• Hellish Empowerment. Once per turn when you hit with a melee weapon attack, you can deal an additional 4d10 necrotic damage to the target. You can use this feature a number of times equal to your Charisma modifier, regaining all expended uses after a long rest. 

• Unholy Fortitude. When you are reduced to 0 hit points but not killed outright, you can drop to 1 hit point instead. Once you use this feature, you can’t use it again until you finish a long rest. 

Demonic Dominance

At 18th level, your connection to the demon king's power reaches its zenith, allowing you to wield terrifying demonic abilities:

• Hellfire Assault. Once per turn when you hit with a melee weapon attack, you can channel the hellish flames of the demon king to deal an additional 3d10 fire or necrotic damage (your choice). Additionally, you can choose to ignite the target, causing them to take 1d10 fire damage at the start of each of their turns until they use an action to extinguish the flames. You can use this extra damage a number of times equal to your Charisma modifier, regaining all expended uses after a long rest.

• Unholy Resilience. You gain resistance to non-magical bludgeoning, piercing, and slashing damage. Additionally, whenever you succeed on a saving throw, you can to make a melee weapon attack against a creature within range.