I absolutely agree that portal events should never directly give an adventurer what they ask for if it is something that could have a serious effect on the balance of the island.
I've begun discussing this with Vita, and we will work out a plan for how to proceed with this particular incident, and portal events in general.
I do hear those of you saying that magic should have less of an impact on the EC. I think you're probably right; we just need to figure out the best balance of expectations and code.