First, Rhea gave "Zeus" of to Cronus but little did Cronus know that Rhea had switched Zeus with a stone to take his place.
Once Cronus had been fooled she took Zeus to an island named Crete and was raised by a nymph called Cynosura.
Later on, as Zeus grew up he had found out that his siblings had been eaten/ imprisoned. He had a plan to trick Cronus. Zeus gave Cronus a drug called Emetic. That made Cronus throw-up everything he had devoured. Including, his siblings and the stone.
During the war, Hades had use the helm of darkness to thieve all of Cronus's weapons while Poseidon charged at him with a trident. That cause a distraction which permitted Zeus to attack Cronus with lightning that had taken Cronus down.
When the Titans were defeated that had been imprisoned in the underworld called Tartarus.
Zeus and his siblings were victorious. They became the next ruler of gods.
