Yes, Ella has certainly spent many years studying, training and putting into practice to have the insane level of control that she has, to the point of not only being able to alter her own body at will, but also everything around her.
And on the other side, we have the MC, who with a simple touch can obtain all the necessary information and characteristics, having only to train and practice to use them with maximum efficiency in fights.
And of course, as far as I remember, the MC is the only Superhuman who has the traits of two monsters, and they are not just any monsters, they are high-grade monsters.