Three sword style

Three sword style is a style that is based on hitting multiple foes in succession while you may not do incredible damage in one swing you make up for with holding back enemies from those who you protect. You take the ideal more is better to a extreme. With Three sword style you hold one sword in each hand and one in your mouth. you sacrifice putting strength in your swings to having more to swing

Additional Proficiencies

Choose 2 more proficiencies out of Insight, Survival, Intimidation, Acrobatics.

Three sword style.

You are able to wield a third weapon. You gain Style dice equal to your proficiency level that you can use to preform 1 battle master techniques(1d8). As you level up the style die will also go up (3rd-1d8, 10th-1d10, 15-1d12) also the number of "Style dice will also be increased with your proficiency   level. Use a bonus action to make a attack with your third weapon with no added bonuses. You are able to target up to three different monsters while wielding three weapons.

Further Training.

You learn how to use your weapons more efficiently. You gain 2 more techniques: Whirlwind-you are able to spin around hitting everyone in a 5 foot radius dealing normal damage (weapon+modifier+profiency) with a expense of one Style dice. If this attack hits the victim must make a constitution saving throw of 10+profiency+Strength otherwise gets pushed back 5 feet.  Fierce Slash: Expend 1 Style die to use a full round action to do one attack with all three blades dealing all your normal damage plus a style die. If the attack is successful inflict 1d4 bleed damage to the target.

Three handed gaurdian

Three handed Guardian: you can now use your reaction 3 times only to intercept attacks coming at allies within 5 ft of you. Temporarily giving a bonus to that allies ac equal to your proficiency level. To use this feature you must use your bonus action on your turn to declare it.

Near Mastery

Gain 2 more techniques. Goading Demon: Expend 2 Style die then Select three targets of the Goading Demon and they must succeed a wisdom save of 10+Strength+Profiencey or become obsessed with you as their target you deal extra damage and take less damage from these targets equal to your Style die. Cross Guard: Use your bonus action to expend a Style Die to boost one's own AC focusing on guarding instead of attacking.

Ultimate Technique

Ultimate Technique: God's Typhoon. Expending Style dice you can increase the effectiveness of this technique. For the total amount of Style dice used half of the total number will increase the radius of the technique by 5ft radius to a maximum 20ft minimum of 5ft, pushing enemies back 10ft. rolling the style dice for damage. You can only use this technique once per long rest.