You Master 2 melee weapons with the finesse property. You count as proficient with the weapons and you gain their Signature Masteries. While holding one of these mastered weapons, you can use it as a Spellcasting focus for your Bard spells.

You are proficient in medium armor.

Mastery Ability

Dexterity is your Mastery ability for your weapon masteries, meaning you use your Mastery ability modifier when setting the DC for a any masteries that impose a saving throw.

Mastery Save DC = 8 + your Proficiency Bonus + your Mastery modifier

At 3rd level, you learn to combine your art with your combat prowess. Once per turn, when you hit with a one-handed melee weapon you can choose to add one of the additional effects.

Defensive Flourish. You can expend one use of your Bardic Inspiration to cause the weapon to deal extra damage to the target you hit. The damage equals the number you roll on the Bardic Inspiration die. You also add the number rolled to your AC until the start of your next turn. 

Slashing Flourish. You can expend one use of your Bardic Inspiration to cause the weapon to deal extra damage to the target you hit and to any other creatures of your choice that you can see within your reach. The damage equals two rolls of your Bardic Inspiration die. 

Mobile Flourish. You can expend one use of your Bardic Inspiration to cause the weapon to deal extra damage to the target you hit. The damage equals the number you roll on the Bardic Inspiration die. You can also immediately move up to half your walking speed without provoking opportunity attacks, this movement ignores difficult terrain and can move through hostile creatures. 

When you reach 6th level you've learned to move more efficiently in combat. 

Once per turn when you take any action other than the Cast a Spell action on your turn you may take a second action. This action may be any action except for the Magic Action. 

Additionally, you may use one additional Mastery Property for each of your Mastered Weapons. The Property can be the “Specialist” property or one property from the weapons' available Mastery Properties. Whenever you finish a Long Rest, you can practice weapon drills and change the additional Mastery Properties or the kinds of weapons you choose.

Starting at 14th level, whenever you use a Blade Flourish option, you can roll a d6 and use it instead of expending a Bardic Inspiration die.