Complex sentence: Controlling Vortex's powers with an Observant barometer, Vlad forces Vortex to bring about a drought in Amity Park, then forces him to make it rain as a publicity stunt to improve Vlad's declining public image as mayor.
Split into simpler sentences: Controlling Vortex's powers with an Observant barometer, Vlad forces Vortex to bring about a drought in Amity Park. He then forces him to make it rain as a publicity stunt to improve Vlad's declining public image as mayor.