Part Seafarer, All Warrior
Level 3
Sea Legs.
Gain a Swimming speed. Advantage on DEX saves.
Swashbuckling Strike!.
Gain the Eye for Weakness Warzone Wisdom. Every instance of Advantage for Focused Strike can instead be expended to change the roll of a Focused Strike die. Focused Strike dice and Weapon Technique dice meant to deal damage can miss or crit.
Level 7
Tailwind.
When you crit with a Weapon Technique, you may either move or hide for free.
Three Sheets.
You may use Second Wind whenever you take damage. When you use Second Wind, move up to your speed for free, ignoring difficult terrain and opportunity attacks.
Level 11
Commandeer!.
(DEX/Encounter) In place of an attack, make a Finesse check against a target’s DEX save. On failure: steal 1 item they’re carrying or holding.
Level 15
Parry and Piroutte!.
For every instance you roll an additional die from a Swashbuckling crit, that many of your target’s next attacks made against you have Disadvantage, max DEX.