Story from Within
An 8 foot tall, large, bulky, muscle-bound Dragonkin.
Karrven, is actually from Magnimar. He escaped several years ago after getting part of the Sheridun rune carved into his chest.
He told Kalen about Xanesha, the lamia matriarch in the clock tower.
He has a magic item protecting his 4 room hovel (in the north side of Barden) from Scrying and Detection.
He has supplies to last months alone.