Way of the Eldritch Disciple

Bonus Proficienies

When you choose this tradition at 3rd level, you begin to comprehend true horror. You gain proficiency in the Intelligence (Arcana) and Intelligence (Religion) skills if you don't already have proficiency in them.

Mutation

Also at 3rd level, your mastery of your body and study of the forbidden grants you the ability to morph yourself in unnatural ways. As a bonus action, you can spend 2 ki points to cast the alter self spell.

While the Aquatic Adaptation option is active, your gills allow you to breath magic as well as water. You can cast the eldritch blast cantrip during this time, and your spellcasting ability for it is Wisdom.

When you use your action to select the Change Appearance option, you can make your appearance disturbing. If you do this, you have advantage on Charisma (Intimidation) checks until your appearance changes again. In addition, you can ignore the restrictions about basic shape, but you must stay the same size.

While the Natural Weapons option is active, you can use your natural weapons granted by this feature to make unarmed strikes, and your reach with them becomes 10 feet. The damage and reach increase at certain levels, becoming 1d8 and 15 feet at 5th level, 1d10 and 20 feet at 11th level, and 1d12 and 25 feet at 17th level.

Psionics

At 6th level, you learn how to use your mind to manipulate the world around you. You gain the ability to communicate telepathically with any creature within 30 feet of you, so long as it has an Intelligence score of 3 or higher.

In addition, you can use a bonus action to target an object or creature within 30 feet of you. If you target an object that is size Large or smaller, you can move it 15 feet in any direction, where it hovers in its space until you lose concentration (as if concentrating on a spell). You can maintain this concentration for up to 1 minute, and can use bonus actions on subsequent turns to move it again.

If you target a creature, it must make a Wisdom saving throw. On a failure, it is frightened of you until you lose concentration (as if concentrating on a spell), which you can maintain for up to 1 minute.

Mental Resilience

Beginning at 11th level, you have become inured to insanity and the inconceivable. You gain resistance to the psychic damage. In addition, if you fail a saving throw, you can spend 1 ki point and use your reaction to reroll it and must use the new roll. Finally, you can add your Intelligence modifier to your AC, on top of your unarmored defense.

Metamorphosis

At 17th level, you can the ability to fully transform into an eldritch horror. Once per day, you can cast True Polymorph, but you must target yourself and can only transform into an aberration. However, you retain your class features, racial features, alignment, personality, Intelligence, Wisdom, and Charisma scores.

You regain the ability to to cast True Polymorph at the end of your next long rest.