The Wicked Witch of the West with the Silver Slippers
The Silver Slippers are magic footwear that exists in Dorothy and the Wizard of Oz. The search for them is the focus of the 3rd season, culminating in their discovery in The Good the Wicked and the Silver.
When the Wicked Witch of the West gets them, she is able to control the Quox and the silver army until Dorothy hits her with a ruby blast and cancels Glinda's protective enchantment on them.
Without Glinda's enchantment they are still incredibly powerful, amplifying the witch's magic abilities. Dorothy defeating her may simply have been due to the witch just getting used to the abilities.
Note[]
- They are a tribute to the Silver Shoes in the original novel, except named in the style of the Ruby Slippers.