After Smiley swallows the oversized candy, the candy coat dissolves revealing a special drug designed to convert the entire content of Smiley's body into a "perfect" weapon of destruction, Shinokuni. In the process, Smiley dies and in a sack of apples, an apple turns into a Devil Fruit. The beast's body transforms into poison gas spreading quickly throughout the island. It's lethal power was demostrated when Caesar's men were caught in it, being petrified before the eyes of the Brokers and the captive Straw Hats. Zoro's team are seen desperately trying to outrun the approaching gas while Nami and Usopp help Brownbeard after their vicious attack by Caesar. At the Lab, Ceasar reveals to his captives that they will get to experience the poison gas as well, moving them outside dangling in a cave. In spite of their situation, Law told Luffy that their original plan will still carry on and that its time to strike back at Caesa (thetvdb.com)