Complex sentence: Ward, initially, felt that the sequence was not effective; he wanted Finn's nightmares to be composed largely of "scary, dream imagery", but he later changed his mind, applauding how the section focuses on Finn's personal fears.
Split into simpler sentences: Ward, initially, however, felt that the sequence was not effective; he wanted Finn's nightmares to be composed largely of "scary, dream imagery". He later changed his mind, applauding how the section focuses on personal fears.