AStoryForOne
"Karma". "Rules". Meh. True magus will sever the karma and ignore the rules. The magus bends the world, not the other way around.
True canon that she find herself a bit unappealing due to the fact she needs to hide she was a woman if im not wrong. Also arthoria is unique because during fate/zero and fate/stay night, she was summoned half living. Apparently merlin freeze her in statis during her final moments under her wish to change history. So after the routes from fate/stay night ends, she return to the point in time she was dying, relinquishing her wish to change history, and hence the scene where benevire throw excalibur happen.