: 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.
The episode introduces several distinct magical enhancements and chemical mixtures that serve as "features" of the Brakebills students' training: [S2E2] Hotel Spa Potions
: While not a potion, a major "feature" of the Fillory storyline involves Eliot using his repressed farm-boy knowledge to introduce fertilizer to a kingdom that previously relied entirely on magic to grow crops, which is now failing. Plot Objectives : Margo prepares a modified version of a
The "feature" of the episode's title also refers to the search for a specific text: [S2E2] Hotel Spa Potions