Dragonkind III

You transform into a Huge dragon-like creature, your creature type does not change. You gain a +10 bonus to Strength, a +8 bonus to your Armor Class, and immunity  to one of the following damage types; fire, poison, acid, lightning, or cold. You cannot wear medium or heavy armor during the duration of this spell, any medium or heavy armor you are wearing, prior to casting this spell, falls safely to the ground.

Your movement speed increases by 10 ft., you gain a flying speed of 80ft.

You cause fear with your very presence, any creature that starts or ends its turn within 10ft of you must succeed on a Wisdom saving throw or become frightened of you until the end of their next turn.

You gain a breath weapon, with Recharge 5-6. The breath weapon deals 10d8 of the damage type this spell gave you resistance towards. The breath weapon may be a 50ft cone, or 100ft line. Any creature within the radius makes a Dexterity saving throw, taking half damage on a success.

You gain four natural weapons, a bite (2d8 piercing), and two claws (2d6 slashing), and a tail (2d6 bludgeoning, reach 15 ft.)

You gain the ability to make three attacks with your natural weapons, one with your bite, and two with your claws. You can make an additional attack with your tail as a bonus action.

During the duration of this spell, if you cast another spell of 1st level or higher, roll a d10. On a 1, the spell fails and Dragonkind III ends at the start of your next turn.