Re: (Nutaku) Milenium War Aigis (English Version)
I don't really get what your problem is with her not being able to be CCed. Lots of classes can't be CCed and that doesn't make them weaker or anything. Princesses, Summoners, Avengers, Yin Yang Masters, Karma (Immortal or Vampire Princess), Anya (Dragon Princess), Echidna (Dragon Shaman) and now Necromancers... and those are only the classes we already have (and that's seven event units so far). There are much more to come. Druid and Vampire Lord are the ones we'll most probably getting next (Chrono Witch, Maid and Inu are close if we were on the DMMM timeline. Unfortunatelly the first units of those classes are all sapphire units. That means we'll most probably never get them). If anything I think it's a good thing that you don't have to CC those classes. Less leveling and you don't need to spend 3 silver units.
Mementos awakening art exists already... for quite some time, half a year or more. We simply can't awaken her yet, because she is our first necromancer. When the last class awakenings were introduced they didn't exist yet and thus couldn't be introduced. New class awakenings are always introduced in batches, so they'll most probably come with sailors, summoners and maybe even something else, we get from future events.
As for her value. Nobody claimed that she is a better witch or a good replacement for witches. Everyone always said that she deals more damage per hit, but attacks a lot slower and therefore isn't really good in regards of damage per second. Her strength are her tokens. On several maps especially for freemium users and newer users who lack the sheer strength to overcome obstacles delaying hard hitting enemies or having disposable meat (well, actually more like bone?) shields for strong ranged attacks is very helpful.
Regarding War of Magic: It explicitely says mages and witches. Nothing about magical units. Summoners, bishops and whatnot can't be used. That's the way this map goes.