Q 92
The general rule is that a spell or effect doesn't end when the caster is killed; it always last until the duration expires.
However, what about mental control powers that are described (notably in the protection from evil spell) to exert ongoing mental control over a subject (mostly charm and domination)?
What happen to the subject of a charm person when the caster is killed?
Or to the victim of a vampire's domination gaze when the vampire is destroyed?
Does the effects stop without the need of dispelling magic?