LD50: Affinity for Stones

You hunger for minerals. The world's most irritating heroes now know that you're coming. You have an Eternal Rock that lets you spew forth endless boulders at your adversaries! Now, they know you're coming for the other Eternal Rocks, and they will throw every hero at you until you've been irritated to submission! But your plan to feed the universe hinges on these Eternal Rocks! You are coming for them, and no matter what they try, you are inevitable.