Aerial Marine

Firearms Knowledge. The Aerial Marine’s mastery of its weapons enables it to ignore the loading property of muskets and pistols.

Flight Harness. The Aerial Marine can use a bonus action to gain a fly speed of 30 ft. until the end of their next round.

Multiattack. The Aerial Marine makes two pistol attacks.

Rapier. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 8 1d8 + 4) slashing damage. 

Pistol. Ranged Weapon Attack: +6 to hit, range 30/90 ft., one target. Hit: 7 (1d10 + 2) piercing damage.

Fragmentation Grenade (1/day). The Aerial Marine throws a grenade up to 60 feet. Each creature within 20 feet of the grenade's detonation must make a DC 15 Dexterity saving throw, taking 17 (5d6) piercing damage on a failed save, or half as much damage on a successful one.