Enhanced Being

Having reached a mental capacity that few could comprehend you can exert fine control over yourself. Choose one ability score and its maximum becomes 22 as you push the limits of mortals. Choose two skills that you are proficient with and you gain Expertise with them. You can change which skills you have expertise with over the course of a long rest.

Your body has become malleable to the will of your enhanced mind. At the start of each day you can choose one of the following effects that last until you complete a long rest where you can change the effect.

Aquatic Adaptation: You adapt your body to an aquatic environment, sprouting gills, and growing webbing between your fingers. You can breathe underwater and gain a Swimming speed equal to your walking speed.

Change Appearance: You transform your appearance. You decide what you look like, including your height, weight, facial features, sound of your voice, hair length, coloration, and distinguishing characteristics, if any. You can make yourself appear as a member of another race, though none of your statistics change. You also don't appear as a creature of a different size than you, and your basic shape stays the same, if you're bipedal, you can't use this spell to become quadrupedal, for instance.

Natural Weapons: You grow claws, fangs, spines, horns, or a different natural weapon of your choice. Your unarmed strikes deal 1D6 Bludgeoning, Piercing, or Slashing damage, as appropriate to the natural weapon you chose, and you are proficient with your unarmed strikes. Finally, the natural weapon is magic and you have a +1 bonus to the attack and damage rolls you make using it.

You have dedicated hundreds of hours in mortal time and thousands of hours in mental simulations to hone your skills. Choose any ability but STR or CON and on a skill check based on the ability chosen any result less than an eight on the die becomes an eight.

Your psionically enhanced muscles can overcome great strength. You have the Grappler Feat without the STR requirement and can Grapple creatures that are one size larger than you. You apply your INT modifier (Minimum 1) to your Grapple check.

You imbue your attacks with oppressive Psychic Force. When you make an attack you can use a bonus action to reduce the target’s AC by half your INT modifier (Minimum 1) rounded down as you make their reactions more sluggish until the end of their next turn. A creature’s AC cannot be reduced by multiple instances of this feature.

You precisely and brutally target weak points and pour your Psychic energy into the opening. Your critical hit range is increased to 19-20. When you land a critical hit the target must make a STR saving throw DC equal to 8 + your INT modifier (Minimum 1) + your Proficiency Bonus and on a failure they are knocked Prone and become Stunned until the end of its next turn. A creature cannot be affected by multiple instances of this feature.