Overuse indiscriminately kills beneficial insects and decimates bird and amphibian populations. In a rage, Shen-long unleashes a psychic blast that decimates half the city. An Ebola-like plague decimates the world's population. The accumulating plastic debris in the oceans decimates aquatic life. He returns to Omei, decimates the clan, and captures Enigma. Animals feeding on local vegetation decimates the already narrow scope of food for the rabbit. The town's capture takes too many weeks, and disease decimates Henry's army. The wave decimates Xandar and the corps in a surprise attack.