If you're not planning on creating an original player character in Baldur's Gate 3, then your next best bet is Shadowheart. Her personal story remains intertwined with the main narrative throughout, and she's connected to the Astral Prism, which is the crux of the entire story.
However, Shadowheart's voice actor, Jennifer English, would prefer you not play her as an origin character, because then you'll miss all her best dialogue.
If you've never played Baldur's Gate 3 as an origin, the vast majority of voiced dialogue is cut to facilitate player choice in conversation.
In an interview with Fall Damage (nice spot, GamesRadar+), English recalled some of her character's most iconic lines. She pointed to a line you might not expect - the dialogue that Shadowheart says when you hover over her in the character creator.
"My Lady Shar tasked me with a mission of such secrecy that I surrendered great swathes of my memory in order to safeguard the knowledge of it," Shadowheart says.
"It's the idle at the beginning," English explains. "Where you can possibly play as me... but don't do that, because then you lose loads of my conversational dialogue."
She points to a specific line of...
