Kills Lyleks with the Emperor

When his Master ended the lightning, he drew his lightsaber and he and Vader moved forward as one, each protecting the other as they twisted and spun out of the way of the lyleks’ tentacles and snapping mandibles, slashing and severing legs, tentacles, heads. In moments the forest was still and Vader and his Master stood back-to-back in the midst of the carnage. Both deactivated their weapons. The sergeant and the captain simply stared at them, their blaster rifles hanging uselessly from their gloved hands.

- Lords of the Sith, Chapter Fourteen, Page 330