The episode introduces several distinct magical enhancements and chemical mixtures that serve as "features" of the Brakebills students' training:
The Ardent Eccentric – Magicians S2E2 – Hotel Spa Potions [S2E2] Hotel Spa Potions
The "feature" of the episode's title also refers to the search for a specific text: In the episode, this is used as a
: To withstand the physical toll of high-level battle magic, Fogg has the students get drunk—a ritual that provides the necessary constitution to survive the "god power juice" Alice is carrying and the intensity of the upcoming ritual. In the episode
: Margo prepares a modified version of a hangover drink she and Eliot used to share. By adding Ativan and Nightshade , it becomes a potion that grants external control over a person's muscles. In the episode, this is used as a temporary fix for Penny’s cursed hands, allowing Professor Sunderland to manipulate them to perform spells.