Way of the Unseen Blade

 

Deathly Aura

Starting at 17th level, your very presence is enough to inspire intense fear in other creatures. When a creature begins their turn within 30feet of you or enters that range for the first time on its turn, you may choose to force that creature to make a Wisdom saving throw with a DC equal to 8+ your Dexterity modifier + your proficiency bonus. On a failiure, the creature is frightened of you until the beginning of its next turn. On a success, the creature cannot be affected by this feature for 24 hours. 

Ghost Strike

Impossibly fast attacks aided by your mind-numbing ki allow you to strike in a way the target will never see coming. When you make an unarmed attack or an attack with a monk weapon, you may spend 1 ki to attempt a Dexterity (Stealth) check opposed by a Wisdome (Perception) from the target and any onlookers. On a success, the strike is made with such speed and precision that, to all that failed their perception check, your weapon never left its sheath. 

Unseem Armament

Your mastery of both armed and unarmed combat transcends physicality, allowing you to emulate weapon combat while empty handed. Starting at 6th level, choose one martial melee weapon that lacks the heavy or special property to be your unseen blade (this weapon need not to be a slashing weapon). You gain proficiency with the chosen weapon if you dont already have it, and it is considered a monk weapon for you. While unarmed, you can choose to be considered armed with the chosen weapon and unarmed simultaneously. Unarmed attacks you make deal the same damage die and damage type as the choses weapon unless you choose to use you martial art die instead, in which case the attack deals damage equal to you basic unarmed strike. 

Delayed Death

Starting at 11th level, the precision of your strikes becomes wholly unparalelled, allowing you to strike in such a way that your target doesn`t realize they`ve died until long after the fact. When you deal damage to a creature with a weapon attack, you may spend 1 ki to reduce the amount of damage done to 0. When you do, choose a number of minutes up to your monk level. After the chosen amount of time elapses, the creature sufferes the damage and any other negative effects associated with the delayed attack.