Archfiend soul

As an action, you can bite your thumb drawing blood, and gain the following effects:

• For the duration, you gain a + 2 to hit when you make melee attacks.
• For the duration, your melee attacks deal an additional 2d6 fire damage.
• For the duration, your walking speed increases by 10 feet.
• For the duration, your long jump and high jump distances are doubled.

When this spell ends, make a Constitution saving throw against your spell save DC, on a failure you suffer from 2 points of exhaustion and can't move until your next turn.