The sharded and the crux two enemy factions they fight for any reason they find and now there's a coal vein in the south of the planet, the sharded is setting a base to make graphite and energy from the burn of coal but the crux seen this and attacked it to establish a base for their own.

The crux: This mine now.

Makes graphite presses and coal extractors.

(You can be either crux or sharded)