As a bonus action, Serriah provokes a creature within 60 feet that can see or hear her. On a failed Wisdom save, it takes psychic damage and has disadvantage on attacks against creatures other than her until the start of her next turn.

When hit points are low, Serriah can spend a bonus action to gain resistance to bludgeoning, piercing, and slashing damage for 10 minutes, and ignore exhaustion below 6.

She can spend a moxie point to make two unarmed strikes as a bonus action.

You can use Bardic Inspiration as a bonus action, and your Bardic Inspiration die becomes a d8.

You can use a bonus action to force nearby creatures to save or be charmed by your performance, granting you temporary hit points and movement benefits to allies.

You can use a bonus action to take on a majestic presence, forcing creatures to make Wisdom saves or become charmed. While active, you can command charmed creatures as a bonus action.

When an ally is hit, you can use your reaction to expend Bardic Inspiration to add the die to their AC and potentially turn the hit into a miss.

She can spend a moxie point to strike and either Dash or Disengage.

When she hits with an unarmed strike, she can apply a grapple or shove as part of the same attack.

You know four cantrips from the bard spell list.

You can expend a use of Bardic Inspiration, adding a d6 to one ability check, attack roll, or saving throw within 10 minutes. Uses equal your Charisma modifier, regained on a long rest.

You are proficient with light armor, simple weapons, hand crossbows, longswords, rapiers, and shortswords. You are proficient with three musical instruments.

You can choose any skill you are proficient in, and your proficiency bonus is doubled for that skill.

During a short rest, you and friendly creatures who hear your performance regain extra hit points equal to one Bardic Inspiration die.

You gain expertise in two skills of your choice.

You can perform for at least 1 minute to charm an audience, making them friendly and inclined to remember your talent favorably.

You can use Bardic Inspiration to gain control over a situation, and your performance can command attention even in hostile or crowded settings.

You gain an additional use of Bardic Inspiration each day for each creature who is charmed by your performance or otherwise responds to your glamour.

You gain another round of expertise in two more skills of your choice.

You learn two spells from any class list.

Your presence becomes impossible to ignore. Creatures that miss you in melee have disadvantage, and hostile creatures that target you may be compelled to focus elsewhere after failing a Charisma save.

You learn two additional spells from any class list.

Your Bardic Inspiration die becomes a d10.

You can always find a place to perform, and people are inclined to respond to you as a familiar face in that scene. In practice, Serriah can usually secure food, lodging, and introductions by trading on her reputation as a glamorous performer and adult companion.