User blog comment:Leonardomerlinfan/Do you think Morgana knows?/@comment-5674726-20121101210244

Depending on whether or not she sustained a head injury, Morgana mightn't have the clearest memory of what happened. Morgause didn't seem to remember Gaius using magic against her after Merlin smashed her skull against a stone pillar, since I can't see her keeping something like that from Morgana.