Abandoned as a baby and rescued by monks, Ajisai grew up with her adopted mother and other monks in the Star Peaks, where she trained at the temple of Kagatsuchi. A fiery and impulsive young woman, her life was cut short when the elemental cults attacked her shrine and killed everyone within it - a count of which she was the last. Revived as an unfeeling revenant by the vengeful spirit of Kagatsuchi, she was charged with retrieving items the cults stole and eliminating those who attacked her home.

A dwarf who was raised among the followers of a knowledge-hoarding dragon, Orecintis. This rogue, the self-proclaimed “world's fastest dwarf”. He meets with members of the Obsidian Halls when fleeing from Waterdeep and they cover his escape, and goes with them seeking adventure and the promise of a new horizon to cross. Casper's primary goal is to find a woman carrying a magical deck of cards he means to get his hands on, but to him the journey means more than the destination.

A half-orc musician who can't stay out of trouble - this music-composing, noble-swindling, drug-taking vagabond weaves between high and low society, fitting in wherever he goes. Trained in the arcane arts as a bard, he hoped to find a gladiator named O'bahd Baxter to lend his talents to. When Baxter went on a personal journey Krusk found himself traveling with the Obsidian Hall members, and engaging in deadly combat with the members of the elemental cults. Finding now that he has long-since had connections to the cults he didn't know, he drifts between a strong desire to flee and a quest for personal knowledge… but mostly he wants to flee.

A fire genasi from a hidden village, who studies elemental magic. They have previously found themselves engaged in a struggle for a great deal of stolen gold in Waterdeep, but now travel with the other members of the Obsidian Halls. Initially looking to reunite with an old friend and mentor they'd been searching for, Kyra has become interested in the happenings of the elemental cults - an interest heightened by their frequent attacks on her and her compatriots.

A gladiator who hails from the Spine of the World, serves her god Kord relentlessly, and seeks glory for herself. Maxine encounters the members of the Obsidian Halls while being attacked by the elemental cults, and finds herself hired to join them as they strike back against them, utilizing her savage talent and divine abilities. This journey eventually leads her back to faces from her past - to those she had thought she would not find time in this life to reconcile with.

A kind and curious aasimar woman who hails from a small community of nature-abiding people in the High Forest. Not used to adventuring, she sets out when her father is captured by cultists. As she searched for them she is lured to a site where Ajisai Kuroyuri has been sealed in stone by the cults and frees her, earning an undying and devoted companion as she continues to investigate the nature of the cults, and seeks to put an end to their perversions of the natural order.