Transformation: Foul Legacy

Fueled by magic, you undergo a transformation that endows you with endurance and physical prowess. While this spell is active, you cannot cast any other spells until the duration of this spell ends. Until the end of this spell, you gain the following effects:

• You have advantage on Constitution saving throws in regards to maintaining concentration on this transformation.
• Your size increases by one stage (small to medium, large to huge, ect.).You count as one size larger when determining your carrying capacity and the weight you can push, drag, or lift.
• Your movement speed increases by 30 feet.
• You gain a +3 bonus to your AC.
• You gain a number of temporary hit points equal to 50 + your spellcasting modifier x your proficiency bonus.
• You can make two additional Extra Attacks on your turn (stacks with any existing Extra Attacks you already possess from your class/subclass).
• All melee weapon attacks you make deal an additional 2d12 Force damage.

Upon the ending of the spell, you gain a level of Exhaustion and you take 3d12 Necrotic damage that ignores resistance and immunity.