Complex sentence: In the end, the X-Men-with the help of Darkstar and Colossus-defeat him with a trick; as he attacks Colossus and Darkstar, instead of fighting him, Storm uses her powers to freeze him.
Split into simpler sentences: In the end, the X-Men-with the help of Darkstar and Colossus-defeat him with a trick. Instead of fighting him, Storm uses her powers to freeze him.