Shaggy the All-Powerful bloodline

If you embrace the power that you have inherited, you gain double your current levels spell slots and double the amount of hit points you gain from all sources. In addition, you gain advantage on all athletics checks. At 5th level, you can cast fly and feather fall at will without expending any spell slots. At 10th level, you double the amount of spell slots you have again, you repeat the doubling process at level 17 as well. At level 15, you gain the ability to make your eyes glow menacingly which gives you double proficiency in intimidation. While your eyes glow, you shed bright light forward in a cone 10 feet cone, and dim light forwards in an additional 10 feet. This ability has no cooldown and can be activated at will for as long as you wish. At level 20, you are immortal. You can be reduced to 0 hit points, at which point you will revive at 1 hit point in 1 day.

If you are a denier of your bloodline, you are just a regular person with no abilities. You cannot multiclass if you choose not to embrace your ancestry.

Godly Bod-ly

You gain double your current levels spell slots and double the amount of hit points you gain from all sources. In addition, you gain advantage on all Athletics checks.

"I drink warm water"

At level 14, you gain the ability to make your eyes glow menacingly which gives you double proficiency in intimidation. While your eyes glow, you shed bright light forward in a cone 10 feet cone, and dim light forwards in an additional 10 feet. This ability has no cooldown and can be activated at will for as long as you wish.

"Those are rookie numbers"

At 14th level, you double the amount of spell slots you have, you repeat the doubling process at level 17 as well.

Immortality

At level 18, you are immortal. You can be reduced to 0 hit points, at which point you will revive at 1 hit point in 1 day.

"He can fly!"

At 6th level you can cast 'fly' and 'feather fall' at will without expending any spell slots.