Artifact Materials? Insolence! I Am the Ink Dragon Emperor

Lin Mo transmigrated into a dragon, only to discover he was nothing but material for crafting magical artifacts. An entire planet used as a breeding ground, airtight surveillance, enemies as powerful as gods... Lin Mo quietly spent two hundred years building up his strength, until at last he found the one chance to escape this inescapable prison. My enemies, you had better stay alive. When I return, you will feel the most despairing terror!