Ronan

You are a Samurai without a master and so with the skills of a deadly fighter you seek jobs from anyone who will pay you. 

Warriors Oath

At 3rd level, you gain one of the following features of your choice.

Blade of the Kami

Your weapon is infused with the power of the Kami. Once per turn when you hit a creature with a weapon attack you may deal an extra 2d6 cold, fire, thunder, lightning, or force damage if the target has less than half their starting life total.

Defense of the blade

Once on your turn you may add half your attack bonus to the AC of a player of your choice. Until it is your turn again.

Master of Bushido

Your mastery of Bushido grants you the power to fight useing your enemys attack against them. When another creature misses you with an attack, you can use your reaction to attack that creature immediately after its attack you gain advantage on that attack roll and gain 1d4 hit points back

Defensive Training

At 7th level, you gain one of the following features of your choice.

Battle Medatation

You can not be frightened in combat.

Draining Offense

Target creature gets -1 to attack for each time you hit it this combat

Spiked Armor

When a creature hits you with an attack it takes 1d6 peircing damage for each time they attacked you this turn.

Ancestral Judgment

At 11th level, you gain one of the following features of your choice.

Leaping Strike

You can use your action to make an melee attack against a creature within 5ft of you, if you hit you may make an attack against a creature within 5ft of the original target. Repeat untill you miss or there are no targets you have not hit.

Ricochet

For your action you may make a ranged attack to a target of your choice. If the attack hits you may choose a target that is within 5ft of the original target. Repeat this process untill you miss or you run out of targets you have not hit. 

Battle Mastery

At 15th level, you gain one of the following features of your choice.

Enlightenment

You gain
+5 to Passive Perception
+5 to Initiative
You can not be suprised
+2 to Wisdom
+2 to dexterity

Kensei

Whenever you kill a creature you regain one spent attack action. This can not exeed 2 times.

Strength of Will

If an attack would bring you to 0 hit points you may use your reaction to bring yourself to 1 hit point instead. This can only be used once per long rest.