Adeptus Mechanicus Kastelan RobotsA huge, ancient robot built ten thousand years ago, the Kastelan Robot is a perfect example of the Adeptus Mechanicus repurposing of technology. Nearly unstoppable, their only flaw is that of any mere machine; they will follow instructions to the letter, even if this results in their own demise. A specialist Tech Priest the Cybernetica Datasmith must constantly update and reprogram the Kastelan via order dataslates, lest this enormous, clanking robot