At the start of the campaign, Beau wore baggy clothes and monk vestments in shades of blue and gray. She had a blue sash around her belt with an embroidered script from the Cobalt Soul written on the interior in the backside. Her long dark-brown hair was tied into a topknot. While in Zadash, she customized her long sleeveless coat to be able to turn it inside out, having it cobalt blue on one side and a normal brown on the other. She later acquired brown-black, jagged leather boots embedded with studs with two spikes at the tip, as well as a set of studded leather glove-like gauntlets. During her time in Felderwin, she also bought a belt with extra pockets to store her money in.
Beauregard is a young woman of short to average height with a well-defined muscular body. She has blue eyes, a medium-brown skin tone, and long dark brown hair shaved into an undercut and tied as a topknot, with a strand hanging to one side of her face. She wears multiple gold and green piercings in her ears, left eyebrow, and left nostril. Beau wore a jade necklace given to her by her father until she gave it to her brother in "Home is Where the Heart Is" (2x92).
As of her second official portrait, set around the time the Mighty Nein were in Xhorhas, Beau has a vertical scar over her left eye, as well as a large scar in the top left area of her abdomen. As of "Titles and Tattoos" (2x84), Beau has a jade green filigreed tattoo beginning at her upper back and extending up the back of her head. The tattoo is based on Mollymauk's All-Seeing Eye tarot card and is similar to his own tattoo. She later received some "dope scars" from being chomped by an albino tyrannosaurus on Rumblecusp.
Beau is a simple girl with simple needs. Beau's attitude towards other people can be summed up as "do whatever you want, but if it fucks with my shit we're going to have issues." Beau has few concerns when it comes to violence, having demonstrated a willingness and, occasionally, an eagerness to harm others if it serves her interests. This aggressive attitude, along with her general dislike of authority figures, put her at odds with her superiors in the Cobalt Soul. This attitude has extended to other party members who tried to commandeer a situation
DISCLAIMER: I am in no way affiliated with Marisha Ray, Critical Role or Geek and Sundry. This is strictly a character portrayal and none of the fan arts used are mine. All credit goes to the original creators.
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Despite having above-average Charisma, Beau is particularly abrasive in ordinary social interactions, frequently coming off as insulting when she tries to give compliments and straining credulity when she attempts to be polite. In order to improve her social skills, Fjord suggested that she smile more, but due to Beau's usual hostility, her smiles tend to come off as either unsettling or extremely disingenuous. In higher-stakes dealings with strangers, she frequently peppers her speech with lies—she is better at deception than persuasion—sometimes with positive results.
She is intelligent (much more so after getting a Headband of Intellect) and talented at investigating, but with unlucky streaks. She is knowledgeable about history (a testament to her Cobalt Soul training), and though she often downplays it as "just something she happened to learn while doing so-and-so," she keeps thorough notes. Beau was one of the first of the Mighty Nein to come out of her shell and consider herself a true friend to them, saying she would lay down her life for them.