Quentin and his friends learn about how the ancient god Prometheus created the seven keys out of his own power for the questers who would eventually save magic and us all.
Quentin, Josh, and Margo go to the Candy Collider game developers' office to speak with the ancient Nymph and castle at the end of the world architect Calypso about how to restore magic and stop the creature.
The Brakebills crew makes it to the castle at the end of the world, where they face the creature locked inside and attempt to jump start magic once again.
The groups is determined to once and for all get the magic back on The Magicians. "Will You Play With Me?" is the 13th episode of the show's third season.
When Quentin enters the Abyss for the latest key quest with Benedict, he stumbles upon a lost Brakebills student named Poppy, who reveals she's got the key they are looking for.
Poppy decides to join Quentin (Jason Ralph), Penny (Arjun Gupta), and the others on the journey to the Underwold to retrieve the fourth and latest key, which was at one point in her possession.
Poppy (Felicia Day) makes her first appearance on Quentin (Jason Ralph) and Benedict's (Harvey Guillen) quest for the fourth key, which carries them out to the dark and dangerous Abyss.
Fen comes to Earth in order to help Eliot (Hale Appleman), but Fray's (Madeleine Arthur) presence creates an issue between them as a fairy spy and their long-lost, rapidly aged daughter.
Fen helps Eliot (Hale Appleman) and Margo (Summer Bishil) complete the sixth key quest with a stop at their faux daughter's current place of employment: an animal bar.
Fen (Brittany Curran) makes the choice to help Julia (Stella Maeve) free the enslaved fairies of Earth, stopping at next to nothing to free the magical creatures who once hurt her.
Fen (Brittany Curran) learns the truth about what happened to her baby, which Margo (Summer Bishil) traded away to the Fairy Queen and the reality is almost too much to bear.