Complex sentence: After Sonic obtains the World Rings, Erazor convinces Shahra to give them to him; however, Sonic wishes for her to do what she truly thinks is right, and she collapses to the ground.
Split into simpler sentences: After Sonic obtains the World Rings, Erazor convinces Shahra to give them to him. To keep them out of Erazor's hands, Sonic wishes for Shahra to do what she truly thinks is right, and she collapses to the ground.