Originally Posted by TheReverend
..........how the hell was Graendal responsible for Mesaana's condition?! The dream spike she gave Slayer? Still doesn't fit... Egwene smoked Mesaana head to head.
Yes, the dream spike. Because she didn't finish Perrin and allowed him to move the dream spike which prevented Mesaana from escaping. It's been a while since I read the book, but I think early on Moridin warned Graendal about being careful with the spike.