She was responsible for the destruction of Mesaana only through her use of Slayer. This information doesn't clear up whether she personally killed Asmodean or if she ordered someone else to do it.
It says so straight out in the glossary of ToM. "Graendal: A ruthless killer, she was responsible for the deaths of Aran'gar and Asmodean and for the destruction of Mesaana."
Epilogue: Graendal-Lanfear
- 31/01/2011 05:05:13 PM
1506 Views
Graendal killed Asmo
- 31/01/2011 05:53:50 PM
785 Views
Re: Graendal killed Asmo
- 31/01/2011 05:57:09 PM
919 Views
Brandon Sanderson stated outright that Graendal did it by her own hand
- 31/01/2011 06:24:36 PM
915 Views
Can you produce a link to verify? cuz the glossary is vague *NM*
- 01/02/2011 02:21:51 AM
328 Views
BS said before the book was released that we would find out who Asmo's killer is. *NM*
- 31/01/2011 06:08:48 PM
317 Views
Very boring!
- 02/02/2011 09:50:52 AM
705 Views
Particularly since it would require Moiraine to be free of the Three Oaths. 
- 02/02/2011 05:25:01 PM
546 Views
- 02/02/2011 05:25:01 PM
546 Views
Re: Epilogue: Graendal-Lanfear
- 05/02/2011 12:04:10 AM
733 Views