Blood Rage

To cast this spell you must first take 1d8 damage to your maximum hit points, regardless if the creature takes damage or not.

You touch a willing creature causing its blood to boil, throwing them into a rage. The rage lasts for 1 minute. It ends early if the creature is knocked unconscious or if you cancel the spell. 

• The creature has advantage on Strength checks and Strength saving throws.
• When the creature makes a melee weapon attack using Strength, it gain a bonus to the damage roll equal to the damage that you had taken from casting the spell
• The creature have resistance to bludgeoning, piercing, and slashing damage.

You recover 1d4 hit points up to your max each long rest, the dice increases by 1d4 when you reach 5th level (2d4), 11th level (3d4), and 17th level (4d4).