Wait. I'm not arguing that odette is the same tier as anya or karma....well , not in terms of "power" per se. First of all we were talking about how reliable each unit was , and i'd argue that a general use unit is more reliable then a niche unit , even if said niche unit can be downright broken in the right situation.
Other then that , I was saying that the old event units like anya , karma , belinda , odette are a tier up compared the newer event units. Anya and karma are by virtue of being black and having very high stats , even fi they are niche , while odette and belinda are by virtue of being a bit more general use then other stuff (and still having relative high stats as well , compared to other premium units).
That doesn't mean that they are in the same tier. As i said , i get the feeling we were arguing 2 different things here