Complex sentence: However, Aladdin points out that the Genie is more powerful, inspiring Jafar to use his last wish to become a genie, only to be sucked into his own lamp as part of the genie's nature, dragging Iago in with him.
Split into simpler sentences: However, Aladdin points out that the Genie is more powerful, inspiring Jafar to use his last wish to become a genie. However he gets sucked into his own lamp as part of the genie's nature, dragging Iago in with him.