Arundhati is a twelve-year-old girl who lives in a museum in Atlanta, Georgia. Struggling to fit in at her wealthy school, she uses her imagination to spin stories, which lands her in trouble when she lights a cursed lamp to impress her classmates. She soon discovers she is the reincarnation of a legendary Pandava brother and sets out on a dangerous quest.

Yamini is a twelve-year-old girl of Indian and Filipina descent who wants to become a doctor. As a fellow reincarnated Pandava, she possesses a keen sense of justice and is highly knowledgeable about the Otherworld and Hindu mythology. She often feels overlooked, having grown up in the shadow of a brother her parents mistakenly believed was the true Pandava.

Boo is a celestial guide who takes the form of a pigeon to mentor the newly awakened Pandava reincarnations. Initially dismayed that the legendary warriors have been reborn as young middle-school girls, he gradually becomes a dedicated instructor. He possesses extensive knowledge of the Otherworld and helps the girls survive its dangers.

The Sleeper is an ancient, dangerous demon who freezes time wherever he walks. Trapped in a cursed lamp inside the museum until Arundhati accidentally releases him, he seeks to awaken the God of Destruction to end all time. He relentlessly pursues the young heroes across the Otherworld to claim celestial weapons for his apocalyptic mission.

Dr. Shah is a renowned museum curator, archaeologist, and Arundhati's single mother. She frequently travels the world for her work, leaving her daughter feeling isolated. She serves as the guardian of the museum's dangerous artifacts, including the cursed lamp that holds the demon.

Urvashi is the chief celestial dancer of the heavens and a member of the Council of Guardians. Residing in the Court of Sky, she is highly skeptical of Arundhati and Yamini's abilities and forces them to prove their identities through a dangerous trial.

Hanuman is the legendary Monkey God and a member of the Council of Guardians. Unlike his peers, he is more sympathetic to the young girls' plight, drawing on his own past experiences of being cursed with ignorance about his true strength as a child.

Madame Bee is an asura who operates a salon where she hoards beauty from older women. Behind her glamorous enchantments, she hides a sinister reality of skulls and ash, serving as the first major obstacle for the girls on their quest.

Valmiki is the sage of learning and the legendary author of the Ramayana epic. Having reformed from a violent past, he now resides in an anthill in the Otherworld and offers magical protection in exchange for a day of the girls' lives so he can write their stories.

Chitrigupta is the cosmic record-keeper located in the Kingdom of Death. He monitors the karma and sins of all souls and provides the girls with valuable items, including a token of good karma and a magical communication pen, to aid them on their journey.

Shukra is the beautiful, silver-haired guardian of the Bridge of Forgetting. Living surrounded by mirrors that protect him from the memory-stealing snow, he demands a toll of memories from travelers wishing to cross his bridge into the deeper parts of the Kingdom of Death.

Aiden is a handsome new boy at Arundhati's school who comes from a wealthy family. He unexpectedly witnesses magical occurrences in the mortal world, hinting that he has a connection to the unfolding supernatural events.

Makara is the guardian of thresholds between worlds. Tasked with ensuring only worthy individuals pass into the Court of Sky, it verifies the girls' identities by observing their past actions before granting them access.