[sh-] Shrek is in the [4] bathroom of the [-e] electricity plant, where he is 设 establishing an electric anti-殳 missile defense system, to prevent the toilets from being destroyed again. He activates it and wants to 设 establish that it works as expected. He shoots a 殳 missile into the bathroom, whereupon an electric 讠 word "DEFENSE" comes shooting out, intercepting the 殳 missile. It's well 设 established that 讠 words always beat 殳 missiles.