Percipient

As a Percipient, you have undergone extreme training and have gained the ability of extreme senses

Quick Thinking

Gain proficiency in improvised weapons, as well as the ability to throw objects under 10 lb up to 15 feet, dealing damage equal to 1d4 plus the weight of the object.

Iaido

As a reaction to being hit with an attack, whether it be from melee or ranged attacks, you can contest the enemy's attack roll with your own from a melee weapon.  If your attack roll is higher than the enemy's, roll for damage.  If you do more damage than the attacker, the attacker takes all damage from their own attack, however if the attacker's damage is higher, nobody takes the damage.

Swift Slash

Whenever you make a melee attack, you can choose to move 5 feet in any direction without provoking an opportunity attack

Heightened Senses

With your incredible senses, you know the positions of any enemies within 15 feet of you at all times.  Any form of magical invisibility will bypass this feature.  You also gain expertise in perception.

Precognition

You can't be stunned or surprised, and you always know the location of all creatures within 30 feet of you, whether magical or non-magical methods of concealment are at play.  You also have advantage on attack rolls when using Iaido.