Complex sentence: Kai, using the power of the pearl, summons a dragon to battle Indy, and casts a shield around himself; however, Indy charges the Pa Cheng with mystical energy from the (conveniently nearby) fountains, each giving it a different power.
Split into simpler sentences: Kai, using the power of the pearl, summons a dragon to battle Indy, and casts a shield around himself. However, Indy charges the Pa Cheng with mystical energy from the (conveniently nearby) fountains, each giving it a different power.