As Candaith returned from his journey in the lands to the east, he saw flashes atop Weathertop of white light, akin to lightning, though there was no storm.
'As I was returning from the lands to the east, the night sky over Weathertop was lit by bright flashes of white light, akin to lightning, yet no clouds darkened the sky and of thunder there was no sound.
'I think that no ordinary storm visited Amon Sûl that night. I ask you to search the ruins atop Weathertop and see if there is anything to find, my friend.
'If you find anything out of the ordinary, return to me immediately.'
Weathertop towers above Candaith's camp.
Candaith asked you to search Weathertop for anything out of the ordinary and to bring any news or evidence that you may find back to him.
Candaith's camp is at the foot of Weathertop.
You found a rune-covered rock and took a rubbing of the markings. You should return to Candaith and learn if he knows what the runes might mean.