You have resistance to lightning and thunder damage.

You gain the following abilities

• You lose all hit dice and cannot gain hit dice from a long rest
• You cannot gain hit points from spells
• Once per short rest, if you would take lightning or thunder damage from a spell you cast, you may instead heal for the damage you would have taken

Once per long rest, you may have a spell you cast deal lightning or thunder damage instead of its normal damage type.

Spells you cast ignore resistance to lightning and thunder damage

You may increase 1 ability score by 2 and another by 1.

Humans reach adulthood in their late teens and live less than a century.

Humans vary widely in height and build, from barely 5 feet to well over 6 feet tall. Regardless of your position in that range, your size is Medium.

Your base walking speed is 40 feet.

You can speak, read, and write Common and one extra language of your choice. Humans typically learn the languages of other peoples they deal with, including obscure dialects. They are fond of sprinkling their speech with words borrowed from other tongues: Orc curses, Elvish musical expressions, Dwarvish military phrases, and so on.