Regarding charisma,

inasmuch as it is a trait, it is something that leaders are either born with or not$-$i$.$e$.,$ one cannot develop it$.$

charismatic leaders tend to offer a sense of tranquility that comes from smoothly managing change.

as a key component of leadership, it is always a positive characteristic that increases organizational effectireness.

charisma is one of the elements of being a transformational leader.