Mesmerizing crystal

Giles uses this blue crystal split in the center against his own will. Indeed, it is the Watchers Council which established a rite that every Slayer who reaches the record age of 18 years has to pass. Buffy arrives at this date and thus has to hypnotize Buffy by making her observe very attentively this crystal, then her inject a product which inhibits her) all her special capacities of Slayer.

Appearances

 * Helpless