Indestructible Soul

You once found yourself in a soul crushing event however something inside you rose to the top pushing against this be it metaphorical or literal. Now you have studied and learned what this unique resistance you have and have applied it to your fighting allowing you to force the aspects of your soul out and utilize them. 

Soul Armour

At 3rd level you gain the ability to at will cast the spell Mage Armor however if you already have armor instead Mage Armour provides you with a +3 bonus to your AC for the duration or you may choose to have it so Mage Armour grants you temporary hit points equal to your Charisma Score however if you choose to give yourself temporary hit points you can only cast Mage Armour an amount of times equal to your Charisma Modifier per long rest.

Additionally as a reaction you may cast the shield spell however the bonus you gain is equal to your Charisma Modifier rather than being a +5 and additionally you can only cast shield this way an amount of times equal to your Charisma Modifier per short rest.

Soul Bond

At 3rd level you have learned to bind and intertwine your soul with a weapon. At the end of a long rest you may choose a weapon to make it your Soul Bond Weapon if you do this the weapon gains any benefits from future features that mentions your Soul Bond Weapon. Currently through this feature you can summon your Soul Bond Weapon to you as long as it is on the same plane of existence to you dragging it to you through the ethereal plane.

Enhanced Soul Weapon

At 7th level you have obtained the ability to cause your weapon to strike with more efficiency and with more force as your soul carries it through the air making the weapons a +1 Weapon giving a +1 to To Hits and to Damage additionally you can cause your strike to be suddenly improved by flaring up your soul adding your Charisma Modifier to either the To Hit or Damage however you can only do this an amount of times per short rest equal to your Charisma Modifier.

Your bonus weapon type goes up at 10th and 15th level making it a +2, then a +3 weapon.

Parrying Flow

At 10th level you have learned to guide your weapon to your defense bringing the blade up to block the attack. When you take damage and you are holding your Soul Bond Weapon as a reaction you can choose to use up a charge from your Enhanced Soul Weapon feature as it suddenly shifts to your defense diverting the attack allowing you to reduce the damage having you roll a d10+Charisma Modifier + Level and then taking the total from the damage you take.

Soul Strike

At 15th level you have learned to carry out a powerful second strike, once per attack action you can activate this feature burning a charge from your Enhanced Soul Weapon and making an additional attack as part of that attack action.

Soul Burst

At 18th level you can cause your soul to burst and bubble releasing a sudden surge of bolstering energy through your body. This makes it so when you use you action surge feature you can cause your body to surge you strength and vitality allowing you to have advantage to all rolls for the rest of your turn, your attacks deal one additional dice of damage if you take the attack action and finally you recover an amount of health equal to a roll of your second wind.