He'd let Timothy go even though the boy had sworn revenge.
She is angry at them for rejecting her and swore revenge.
Long ago, Kragnans killed his father, making him swear revenge.
The event made him swear revenge to all the Watchers.
Shankar swears revenge on them and then goes his way.
He has to escape in order to save the Duke's daughter and swears revenge.
That day you swore revenge against those who had killed them, and I believed you.
Her father had been beside himself and had sworn revenge.
George must also face a vicious killer who has sworn revenge on him and his loved ones.
Gargamel swore revenge: from now on the conflict would be personal.