Complex sentence: Freyda successfully manages to contact Wulfstan, captain of the Dwarven garrison and friend of Duncan, However Laszzlo impatient with being ordered to stay behind then attacks the garrison.
Split into simpler sentences: Freyda successfully manages to contact Wulfstan, captain of the Dwarven garrison and friend of Duncan. However, Laszlo impatient with being ordered to stay behind then attacks the garrison.