Calling upon the demonic powers of the Abyss, you combine demon's blood with your own and invigorate yourself beyond normal capacity. 

For the duration,

• You gain half of your hit point maximum as temporary hit points.
• You add the "Fiend (Demon)" type to your other creature types.
• You add your Spellcasting Ability Modifier to all damage rolls. 
• Your Strength Score Becomes 24.

You regain one spell slot of each level (1st-5th only). 

After the spell ends,

• Make a Charisma save against your DC. On a fail, refer to the Abyssal Corruption Table (Dungeon Master's Guide page 62).
• You take 1d8 Necrotic damage per round that you maintained concentration (Min 1). 
• You also take one point of exhaustion.