Flourish. The captain adds its Charisma modifier to the damage roll for its longsword attacks (included in the attack).

Sky Legs. The captain has advantage on ability checks and saving throws to resist being knocked prone.

The captain has a pearl handled wand of magic missiles and a sun blade. 

Multiattack. The captain makes two attacks: one with its Pearl Handled Pistol and one with its Sun Blade.

Sun Blade. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 12 (1d8 + 8) slashing damage, or 14 (1d10 + 8) radiant damage if used with two hands.

Pearl Handled Pistol. Ranged Spell Attack: The Captain uses up to 7 charges from their wand of magic missiles to cast magic missile.

Healing Hands (1/long rest). The captain can touch a creature and heal 10 hit points.

Radiant Soul (1/long rest).  The Captain can use their action to unleash the divine energy within themselves, causing their eyes to glimmer and two luminous, incorporeal wings to sprout from their back.

The transformation lasts for 1 minute or until they end it as a bonus action. During it, they have a flying speed of 30 feet, and once on each of their turns, they can deal extra 10 radiant damage to one target when they deal damage to it with an attack or a spell.

Shape Up, Ye Dog (2/day). Whenever a friendly creature within 30 feet of the captain that can hear it misses with an attack, the captain can yell perilous threats to allow that creature to reroll the attack roll.