The Conflict For Origin Energy.
The alternative source of origin energy apart from the ambient one is the Origin stone. People want the instant availability of energy it offers. It can provide a quick top of energy during a fight is why they are so fiercely contested.
But Origin stones are short-term tools. They become useless after they are used. So the fighters use their origin stones to empower themselves as they fight for locations of higher Origin energy concentration. It is using the short-term benefit to fight for long-term goals. It has formed a cycle of conflict.
The conflict for better resources has led to the significant destruction of the landscape of the plane. Mountains are cleaved and crushed. Rivers are dried up. Craters are smashed into the earth everywhere. Fire is ravaging the beloved forests of the plane. The destruction to the plane cannot be understated. It is not a wonder that the ancient sages said the plane is in danger of destruction.