C156 There is a way
Water has an electrical conductivity. This is common knowledge.
Logically speaking, it was impossible for Lu Wuxiu to not know of this kind of common sense. It was just that when a person was in a hurry, he would instinctively use the means that he was most proficient in to protect himself.
Lu Wuxiu was a cultivator of the water attribute, so whether it was offense or defense