Angry is one of the buttons on the Arhu SparkMaster 5000 Universal Controller in Divinity: Original Sin
Press angry in the right combination of Arhu SparkMaster 5000 go into one of the following modes:
Angry - Angry - Sleepy: SELF DESTRUCT MODE!
Angry - Happy - Angry: BERSERK MODE!
Angry - Angry - Angry: UNIVERSAL CONTROLLER DEACTIVATION MODE!
See below for more info: