Complex sentence: Additionally, Lisa is unpredictable, making her difficult to counter and defend against; however, this unpredictability also makes Lisa a very difficult character to learn and master, and thus is very unsuited for beginning players.
Split into simpler sentences: Additionally, Lisa is unpredictable, making her difficult to counter and defend against. However, this unpredictability also makes Lisa a very difficult character to learn and master, and thus is very unsuited for beginning players.