But the Shadar Logoth evil was created because of the DO, had there been no DO Shadar Logoth might still be a flowering town, so basically he's the source of that evil too.
I think it would have been devastating if Rand had killed the Dark One. Like, he must have been created by the Creator for a reason? He's existed as long as the Wheel of Time and the Pattern and he's like an integral part of everything. If he'd been destroyed it feels like it would have...