User blog comment:LumpZ/Terraria Idea: Floating Island Content/@comment-4781346-20120413223647/@comment-4530673-20120414045218

Zeus isn't seen. You just see lightning bolts flashing down from the sky, and shoot above the sky limit to damage him. You can reflect the bolts back at him with melee too. You will know when he is starting to lose health when the bolts start coming more often. I'll add those soon.