1.The Ultimate Nulifier:Even Galactus fears it.
tie The Infinity Gems
2.The Central Battery of the Green Lantern Corps.The source of power 4 every GL.
tie The cosmic cube
4.Sinestro Power ring.
5.Quasers Quantum Bands
6.Green Lantern Power ring:It needs to be charge the quantum bands don't.
7.The Dark Hold:The book that gave us Vampires.
8.X.O Manowar Armor: It's more advanced than Iron mans.
9.The Enterprise: It could lay waste to a planet if Kirk want too.
11.The Death Star
12.The Star Brand
13.Iron man armor
14.The Lexx,it's a living ship and was one cool show.
15.Aladdins Lamp.SHould be higher.