Arcane Knight

Winged. As long as the creature does not don heavy armor the creature can unfurl its bat-like wings and have a flying speed of 30 feet.

Fighting Style: Dueling. When you are wielding a melee weapon in one hand and no other weapons, you gain a +2 bonus to damage rolls with that weapon.

Second Wind. You have a limited well of stamina that you can draw on to protect yourself from harm. On your turn, you can use a bonus action to regain hit points equal to 1d10 + 3. Once you use this feature, you must finish a short or long rest before you can use it again.

Action Surge. You can push yourself beyond your normal limits for a moment. On your turn, you can take one additional action.

Superiority Dice. You have four superiority dice, which are d8s. A superiority die is expended when you use it. You regain all of your expended superiority dice when you finish a short or long rest. (Saving Throw: DC 11 STR or DC 13 DEX):

Commander’s Strike. When you take the Attack action on your turn, you can forgo one of your attacks and use a bonus action to direct an ally that can see and hear you to strike using its reaction, adding the superiority die to the damage roll.

Spellcasting. The Arcane Knight's spellcasting ability is Intelligence (spell save DC 12). It can innately cast the following spells:

Cantrip (At will): dancing lights, fire bolt, green-flame blade, shocking grasp

1st Level: absorb elements, burning hands, comprehend languages, disguise self, distort value, fog cloud, magic missile, ray of sickness, shield, thunderwave,

2nd Level: aganazzar’s scorcher, scorching ray, misty step, blindness/deafness, dragon's breath

3rd Level: counterspell, dispel magic, fireball

Multiattack. This creature can either cast one spell or make two melee weapon attacks per action.

Dragon Slayer Rapier. Melee Weapon Attack: +8 to hit, reach 5 ft., one creature. Hit: 11 (1d8 + 6) Piercing damage.