In all subsequent stories, he takes one form or two to make mischief among the people of the territories.
"Kids didn't dare make so much mischief when he had his full magic."
In the end we felt pretty sure that no Beings could make mischief around there.
Get us a drink and stop making mischief, why don't you?
A number made mischief, but it was nothing against her powers.
They love to be making mischief about the house as well.
Men must be occupied at all times otherwise they make mischief.
And then they had bad friends, both of them, who made mischief.
Wasn't it more likely that someone was trying to make mischief for a legitimate work crew?
That sounds as if someone were trying to make mischief!
Idiomy