Nail said:
But that applies to when the wizard is in possession of the stone. Which he is most definitely not; it's on its own, implanted in a golem. The wizard's wishes simply don't apply.
While it's true that a lot of items do need to be on their owner's person to function, that's not universally true. Does a chaos diamond need to be in the characters hand to grant him it's powers? In his pocket? In his extra-dimensional space? His fortress? His vault?
Figurines of wondrous power obey their owner. If they're out on a task, and someone succeeds on a grapple check, do they now obey that person?
Same goes for an instant fortress - the door opens only at the command of it's owner? Who is that? The last person to activate it? The last person to pick it up? The king of the land that it's within?
Do you have to hold a mirror of mental prowess to use it? It only works for a 'possessor' who knows the right words. Can you stand a couple of feet in front of it? You can cause it's portals to close at a word - does this work from the far side of the portal, or only the side nearest the mirror?
Do the elementals summoned by a stone of elemental command obey the person who summoned them, or the current holder of the stone?
All of these questions are very much in the air...
Mind you, I'd probably suggest that the wizard should instead create a simulacrum of himself, flub the disguise roll terribly (so that the form of the creature is actually a 3 inch diameter ball of stone) and then just put that in the golem...
Moreover, its most likely the PCs will encounter golems created by evil wizards, no? And an Evil magic stone won’t say “screw you, creator” at some point?
No, a chaotic magic stone will say that. A lawful stone does what it's supposed to (although may twist orders to it's own commands). Further to that, if your alignment and the alignment of the item coincide, then the only time that it can deny you is if it has a special purpose that it wishes to pursue. Simple solution: Don't give it a special purpose.
Evil must be awfully nice on your world.....
Just organised and with more than 3 intelligence. I suppose that evil organisations in your campaigns are nothing more than large barfights that detect as evil?