Diana Calls Up Powerful Magic Against Peter Knox in This Memorable Scene From A Discovery of Witches Episode 3

Diana may be a reluctant witch, but that only makes her magic more dangerous.

When Diana makes another attempt to call up the Ashmole manuscript, Peter Knox is there to intercept her. He has no qualms about using magic in an attempt to control her, but he's in for a surprise.

Watch the Talked About Scene From Episode 3

Diana unwittingly calls forth a tremendous elemental force to protect herself. But when the ancient magic overwhelms her, will she be another victim of its crushing force? Click here to watch the memorable scene.

A Discovery of Witches airs Sunday at 9/8c.

Watch the latest episode now. The Full Season 1 is available now for AMC Premiere subscribers.

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