How close might he have come to disposing of his tormentor, once and for all?

Bring in the girl and dispose of those other two for good.

When my ships return to England, he will dispose of their goods and order things for me.

Be a good boy, and dispose of him for me.

She wanted to hire me to dispose of it for her.

His own people will probably find him and dispose of him for us.

The remaining men disposed themselves in readiness for instant action.

The company that sells a product disposes of it once and for all.

His own words will dispose of him once and for all, which is surely divine justice.

Probably no one method would be adequate to dispose of her, for that matter.