Lesser Golem - the "dumb robots" for your fantasy setting!
Reading various books on GURPS magic spells and discussing magic stuff with my friends online, I've noticed a peculiar fact about GURPS Magic and magical servants. That is - they're kind of hard to get... Unless you're a necromancer, that is. Golem spell has prerequisite count of 14, takes very long to cast and costs 250 points at the very least. Servants conjured by Create Servant, Create Warrior, etc - are temporary and require maintenance. They could be made permanent, but this would most much more than a golem with similar stats. Elementals are also quite expensive, and sometimes have the disadvantage of being hard to control. Overall, the only way to get magically created at a good price would be the Zombie spell... Which poses some problems. Problems like "what happens to the soul of the reanimated dead?" (nothing good, usually), "is this magic evil?" (usually it is), "how would the locals react?" (usually badly), and more. And finally...