I mean, yeah, if you got both of them on the task it would be better, but I kinda meant that if you could have one or the other, Thorek has a bit more of the temperament for filling in the gaps that would exist in any source for regaining the knowledge. (or at least, would have a better chance to get results quickly)
(KRAGG emerges from his workshop-grotto, having spent 500 years painstakingly recreating a Thunder Mountain Anvil to his exacting specifications)
KRAGG: "What the hell are all these statues to that shoddy journeydwarf Thorek doing here?"
(KRAGG examines the plaque on the statue "At this spot 400 years ago, the Great Runelord Thorek Ironbrow successfully recreated the Rune of Sorcery, enshrining his place as the Greatest Runelord"
KRAGG: "THOOOOOOOREEEEEEEEK!"
(KRAGG emerges from his workshop-grotto, having spent 500 years painstakingly recreating a Thunder Mountain Anvil to his exacting specifications)
KRAGG: "What the hell are all these statues to that shoddy journeydwarf Thorek doing here?"
(KRAGG examines the plaque on the statue "At this spot 400 years ago, the Great Runelord Thorek Ironbrow successfully recreated the Rune of Sorcery, enshrining his place as the Greatest Runelord"
KRAGG: "THOOOOOOOREEEEEEEEK!"