I'm just curious.
Why are we all so intent on poisoning the Dwarf King in this thread? Is there some reference that I'm missing? Is it just a matter of closing off interesting storylines? Couldn't you as easily have the Dwarf King stabbed to death in his own chambers, locked from the inside and immune to scrying and teleportation?
It's not like poison is the only method of assassination out there, or the only way to add intrigue. Closing off one for the occasional adventure that deals with dwarven royalty . . . maybe I'm missing something?