Richard accidentally opens a rift to the underworld which unleashes an awful ...
Legend of the Seeker
Season 2 Episode 11: Torn
A dead wizard from Aydindril appears. Zedd uses the wizard's amulet to go to Aydindril with Kahlan. Unfortunately, it splits Kahlan in two: with Zedd, a one with reason and powers, and with Richard and Cara, a one without either.