You can attack twice instead of once whenever you take the Attack action on your turn.

As a Bonus Action, sprout spectral lightning wings for up to 10 minutes. Gain a Fly Speed of 30 feet. Once per Long Rest.

As a Bonus Action, regain 1d10 + 10 Hit Points. Two uses per Short or Long Rest.

When you activate Second Wind with a Bonus Action, you can move up to half your Speed without provoking Opportunity Attacks.

Replace one attack with a 15-foot cone or 30-foot line of magical lightning. Creatures in the area make a DC 17 Dexterity saving throw, taking 2d10 lightning damage on a failure or half damage on a success. Usable a number of times equal to Proficiency Bonus per Long Rest.

Take one additional action on your turn, except the Magic action. Once per Short or Long Rest.

Make a melee Opportunity Attack against a creature that attacks an ally within your reach. On a hit, the target's Speed becomes 0 for the rest of the turn.

Once per turn when you hit with a weapon or Unarmed Strike, roll the weapon's damage dice twice and use either result.

You gain a Fighting Style feat. Oruvessa has the Defense Fighting Style, granting a +1 bonus to Armor Class while wearing armor.

You gain mastery with seven kinds of weapons. Oruvessa uses the mastery properties of the greatsword, longsword, spear, javelin, handaxe, light crossbow, and shortbow.

When you fail an ability check, you can expend a use of Second Wind to roll 1d10 and add the result to the check. If the check still fails, the use is not expended.

You gain the Champion subclass. Your weapon and Unarmed Strike attack rolls score a Critical Hit on a roll of 19 or 20 on the d20. You also have Advantage on Initiative rolls and Strength (Athletics) checks. Immediately after scoring a Critical Hit, you can move up to half your Speed without provoking Opportunity Attacks.

You gain the Alert feat from the Soldier background. You add your Proficiency Bonus to Initiative rolls and can exchange Initiative with a willing ally who has not been Incapacitated immediately after Initiative is rolled.

You gain another Fighting Style feat. Oruvessa has the Great Weapon Fighting Style, allowing her to reroll a 1 or 2 on a damage die when attacking with a weapon held in two hands, using the new roll.

You gain the Tough feat, increasing your Hit Point maximum by 20 at this level.

If you fail a saving throw, you can reroll it with a bonus equal to your Fighter level. You must use the new roll. You regain the use after a Long Rest.

When attacking with a weapon whose mastery property you can use, you can replace that property with Push, Sap, or Slow for that attack.

You gain the Sentinel feat. When you hit a creature with an Opportunity Attack, its Speed becomes 0 for the rest of the turn. You can also make an Opportunity Attack when a creature within your reach attacks a target other than you, and creatures Disengaging from you do not avoid your Opportunity Attacks.

During combat, you can give yourself Heroic Inspiration whenever you start your turn without it.

You gain the Alert Origin feat. You add your Proficiency Bonus to Initiative rolls, and immediately after Initiative is rolled, you can trade your Initiative with a willing ally in the same combat who has not been Incapacitated.