as a bonus action speak this magic sword's command word , causing flames to erupt from the blade. These flames shed bright  bule light in a 40-foot radius and dim light for an additional 40 feet. While the sword is ablaze, it deals an extra 2d6 fire damage to any target it hits. The flames last until you use a bonus action to speak the command word again or until you drop or sheathe the sword. all fire damage does full damage even if the creature has immunities or resistances due to Ezekiel master skills  

as an action you shoot A bright streak flashes from your sword to a point you choose within range and then blossoms with a low roar into an explosion of flame. Each creature in a 20-foot-radius sphere centered on that point must make a Dexterity saving throw of 17 . A target takes 8d6 fire damage on a failed save, or half as much damage on a successful one.

The fire spreads around corners. It ignites flammable objects in the area that aren't being worn or carried.

you have 7 charges and recharge at dawn 1d6 

Proficiency with a Rapier allows you to add your proficiency bonus to the attack roll for any attack you make with it.

Notes: Damage: Fire, Damage, Combat, Finesse, Vex