Path of the Mithril Rage

Whether you were rejected from a monastic order for your unruly nature, or simply because you were a plucky brawler who showed promise, either an individual or a group took you in and showed you the path to honing your body to become the perfect weapon, teaching that the rage is a tool i your arsenal and may in fact be they key to power greater than you ever imagined. 

Mithril Fist

Your training makes a weapon out of your very body, harnessing the rage and allowing you to destroy foes and obstacles with ease.

Your fist's count as Martial weapons for the purpose of spells and effects that increase the potency of your attacks, i.e. Magic Weapon, Hunters mark.

You also gain increased unarmed damage equal to the Pugilism Die. Your pugilism die increases as you increase in class, 1 d6 at third level, 1 d8 at fifth level, 1 d10 at tenth level and 1 d12 at fifteenth level.

Your fists count as siege weapons, dealing double damage to structures and constructs.

When you use the attack action on your turn to make an unarmed attack, you can make an other attack as a bonus action.

Mithril Mind

Your Rage allows you to banish a creatures influence from your mind and body, harming them for their audacity.

You gain one the ability to choose to succeed on any saving throw, once per day. If the save is required as part of a spell or effect that originates from a creature, that creature suffers psychic damage equal to one roll of your pugilism die.

Mithril Soul

You learn to harness the Rage and understand its place in your very essence. Your offensive and defensive capabilities are greatly increased.  

When you hit with an unarmed attack you can choose to invest a number of rage charges equal to half your proficiency bonus (rounded down) once per turn. You can then increase the damage dealt by a number of pugilism die equal to the charges expended. This attack can, at your discretion,  cause your fists to glow and creates a thunderous boom that can be heard up to one hundred feet away. 

You can now rage as a reaction. If this reaction is taken in response to falling and preventing damage, as part of the reaction you can roll a pugilism die, the result of which has to effects. Firstly all creatures within ten feet of the impact site take damage equal to the number rolled (this counts as an unarmed attack for the purposes of this classes features). Secondly you can multiply the number rolled by your level and reduce the amount o falling damage you take by the result. 

Mithril Self

 You gain full control of your powers, harnessing your anger and suffusing your very essence with the Mithril Rage.

Your skin takes on a pearlescent silvery sheen when you rage, leaving you looking like a Mithril Sculpture. When you rage you gain resistance to all damage, you can dash as a bonus action, you can now make two attacks as a bonus action when you make unarmed attacks and you can choose one ally within 60 feet as a reaction to gain the benefit of a standard rage, i.e. half damage from bludgeoning, slashing and piercing. Each ally can only benefit from this feature once per short rest and the effect ends at the start of the creatures next turn.