Libby is a physicist capable of manipulating the elements. She recently returned from being trapped in 1989 and carries guilt over the collateral damage she caused during her escape. She wrestles with self-doubt and feelings of inadequacy, prioritizing the prevention of Atlas's planned multiverse experiment. Her time in the past has hardened her, making her more assertive and willing to take extreme measures to achieve her goals.

Nico is a talented physicist from a wealthy background who uses his abilities to control matter. He lives with his romantic partner, Gideon, and serves as a moral center for the group of initiates. He is charismatic but sometimes struggles to understand the harsh realities of poverty that shape Gideon's worldview. Nico favors proceeding with the multiverse experiment to avoid being killed by the archives.

Tristan is the son of a London crime boss. He possesses powerful reality-warping abilities. He stayed behind at the Alexandrian Society's manor house when others left, seeking refuge from his father's continuous attempts on his life. He maintains a relationship with Libby and frequently texts Callum, exchanging threats and philosophical debates.

Parisa is an exceptionally beautiful and powerful telepath. Her abilities make her constantly aware of how others perceive her, leading to a jaded worldview. She initially aligned with Dalton to create a new world but begins questioning his motives as she searches for meaning and awaits news from her husband.

Reina is a naturalist who can communicate with plants and share her energy. She views herself and other medeians as akin to gods. Driven by a desire to enact large-scale political change, she works alongside Callum to sway world events, refusing to participate in the Society's impending multiverse experiment.

Callum is an empath from the wealthy Nova family. He assists Reina in her political schemes but remains highly cynical about the permanence of their changes. He maintains a cavalier attitude and is tasked by Adrian Caine with killing Tristan, a job he continually delays while engaging Tristan in tense communication.

Gideon is a dreamwalker and the son of a mermaid. He experiences narcoleptic symptoms due to his weak tether to reality. He is Nico's romantic partner and lives with him at the manor house. Gideon harbors deep concerns about the safety of the group and senses an unnerving shift in Libby's behavior.

Atlas is the former Caretaker of the Alexandrian Society who recruited the current class of initiates. He grew up caring for his mentally ill mother, which left him with a jaded perspective. He intends to use the archives' resources to perform a massive experiment to open the doors to the multiverse.

Dalton is a researcher for the Alexandrian Society who possesses the ability to create life. He works closely with Parisa, proposing that she take over the Society as the new Caretaker. He intends to proceed with the multiverse experiment to understand the source of his powers.

Ezra is a former initiate from Atlas's cohort who possesses time-manipulation abilities. He formed a rival group to oppose and dismantle the Alexandrian Society. He trapped Libby in 1989 and serves as a major catalyst for the current conflict.

Nothazai is a biomancer and the leader of the Forum, a rival organization to the Alexandrian Society. He desires to dismantle the Society due to ethical disagreements. He experiences intense friction with Parisa over control and resources.

James is the wealthy head of the Wessex Corporation and a member of Ezra's group. He seeks access to the Society's archives and utilizes his substantial resources to hunt down members of the Society, including Gideon and Tristan.

Adrian is a powerful London crime boss and Tristan's abusive father. He hires Callum to locate and neutralize Tristan, seeking to bring his son back under his control by force.

Eden is James Wessex's daughter. She feels constantly underestimated and ignored by her father and his colleagues. Lacking magical abilities herself, she relies on firearms and aggressive tactics to assert her power.

Eilif is a mermaid burdened by a deal that requires her to capture someone from the Alexandrian Society. She relies on Navy SEAL backups and her own abilities to hunt down her targets.

Alys is Tristan's sister. She stays in contact with Callum regarding her family's efforts to track down Tristan, warning him about their father's growing impatience.

Selene is Callum's sister and the new CEO of the Nova Corporation. She manages her family's immense wealth and public image, proving capable of handling corporate crises without her brother's help.

Sharon is a logistics officer for the Alexandrian Society. She manages administrative issues and carries the personal burden of caring for her terminally ill daughter.

Nasser is Parisa's husband. He attempts to reconnect with her, but his actions draw the attention of dangerous global factions.

Max is the former roommate of Nico and Gideon. He relies on Nico to maintain his financial support from his family and supports Gideon's deep feelings for Nico.

Julian is the director of the CIA and the first member recruited to Ezra's group. He possesses technomancy abilities and uses his high-ranking government position to further the group's agenda.

Li is a member of the Chinese secret service and part of Ezra's group. Li is observant, quickly recognizing Libby as the true threat to their plans.

Sef is a naturalist representing the MENA region within Ezra's group. He harbors doubts about the group's leadership and long-term viability.

Belen is Libby's former friend from her time trapped in the 1980s. She suffers from severe medical and legal complications due to the actions of others.

Alexis is a necromancer from Atlas's original initiate cohort. She depends on Atlas as her health fails.

Aiya sits on the Alexandrian Society's board. She leverages her position to guide corporate and political forces to her own advantage.

Wyn is an associate of Adrian Caine tasked with securing Tristan's location.