Complex sentence: Tanaka described her character of Mitsuru as a strong lead female because of "her" (Mitsuru) exceptional leadership skills and feminine dignity, whilst simultaneously citing the "Persona" summoning scenes as being quite enjoyable.
Split into simpler sentences: Tanaka described her character as a strong lead female because of her (Mitsuru) exceptional leadership skills and feminine dignity. Tanaka also described the "Persona" summoning scenes as being quite enjoyable.