Butters is revealed as the "Key" by the Council of Nine (a group of wise imaginary figures like Aslan and Gandalf). He must learn to harness his own imagination to fight back against the encroaching darkness.
Forced into the role of a savior at Castle Sunshine in the Gumdrop Forest. [S11E11] Imaginationland Episode II (2)
The story follows the aftermath of a terrorist attack that destroyed the "Wall" separating good and evil imaginary characters. Butters is revealed as the "Key" by the