Dark Offering

You invoke the name of a vile entity and make a melee attack against one humanoid creature within 5 feet of you with the weapon used in the spell’s casting. If this attack kills the target, you gain one of the following benefits:

• Fleeting Youth. Your physical age is reduced by 10 years, to a minimum of 18 years. After 10 years have passed, your age rapidly catches up to your previous age before you gained this benefit for the first time, plus any time that has passed since. You can suspend this effect by continually gaining this benefit before 10 years have passed.

• Vile Enlistment. You gain the service of a random fiend or undead with a challenge rating of 5 or lower as decided by the GM for 30 days. At the end of this duration, the creature no longer regards you as an ally and may act as it pleases. You can only have up to 5 of these servants at a time.

• Profane Lore. You can ask a dark entity any one question, which it will answer truthfully with as many or as few words as necessary. Once your question is answered, you must succeed an Intelligence saving throw using your spell save DC or suffer one Long-Term Madness effect. If you fail this saving throw 3 different times, you suffer one Indefinite Madness effect.

• Infernal Fortitude. Your hit point maximum increases by 20 for 30 days. At the end of this duration, you gain 5 levels of exhaustion which cannot be removed by magical means. You can suspend this effect by gaining this benefit again before 30 days have passed. Your hit point maximum cannot increase by more than 20 using this spell.