Of carbon and kobolds

Like a lamb to the slaughter Zek was sent to scout out a new world for the U_A to colonize. His homeland a dystopian world starved for resources sent out scouts with massive machines to set up a portal link. Only his portal failed. Trapped in a fantasy world stuck in stagnation with a massive war walker with factory modules he now has to make a new life for himself with no hope of ever returning home. Luckily a nearby village will help set his course to change the world. (This story is participating in the writeathon.)