Odin's personal weapon

The Old Power (or Oldstrong Power) is a source of energy derived from a planet that can be wielded and boost the user's abilities to an incalculable level, as well as give the wielder earth-manipulation abilities and an energy-enhanced strike, similar to that of the Iron Fist.

A piece of one of the Fantastic Four's suit that currently contains enough information about 5 large crime organisations in the Marvel Universe to their knees.

A little screen with loudspeeker incorporated in the Wonder Woman bracelets. Along with the Omni-Screen it was part of the Omni-Wave set which was frequently used by the Amazon in the Silver Age.

The device which replaced Wonder Woman's Mental Radio during the Silver Age.

The Omnitrix is a watch shaped device that holds hundreds of aliens to be unlocked. In the original show, it contained only 34 aliens. However, in Alien force Ben found out that it contains 1,900,003 aliens. The Omnitrix is currently destroyed, Ben now wields the Ultimatrix.

Omnium (otherwise known as omnium steel) is a steel alloy, stronger than titanium, weaker than adamantium, making it the second strongest alloy made by man.

Omni-Wave Projectors were Kree communication technology that allowed the species to send instantaneous messages across the void of hyperspace.

The member Ontiir of the 31st centuries deadly group of universal evil called the Dark Circle utilized this sophisticated hovering Weapons-Chair.

A living organism that the Yuuzhan Vong use as a second skin for disguise or as a form of body armour.

Also known as The Essence, it is the Negative Zone's version of cosmic power. It gives the characters imbued with this power an equal footing against characters imbued with the Power Cosmic.

Orange Kryptonite gives powers to animals.

The source of power for Agent Orange and the only orange power battery in the DC Universe.

The Orange Lantern ring is powered by greed (avarice). The Orange Ring also has addictive side-effects that, as of yet, have gone unexplored. The ring can also infect the wearer with jealousy.

A mystical artifact in possession by Doctor Strange. It is a powerful scrying device used for clairvoyance and magic detection.

A mystical talisman which was used to give life to the Descendants.

The Orb of Olan is used by Druanna.

Ancient Egyptian artifact which granted transmutation abilities.

Air Force missile. One of the greatest weapons in America's arsenal.

Ocean Master's trident is capable of controlling lighting and firing magical lighting bolts. The Trident is strong enough to withstand a direct clash with Aquaman's Trident of Neptune.

Mysterious vessel that was responsible for attempting to steal all the different power rings in the Green Lantern: New Guardians Series.

The Orrery of Worlds is a plane of existence located inside the Monitor Sphere, it contained the fifty-two universes. All of the universes in the Orrery all existed in the same space, but existed at different frequencies and thus, did not interact with each other.

"Wait a second, you're telling me Norman Osborn found the cure for cancer... and turned it into a weapon?"

Bane's teddy bear.

A board game that was created as a toy to contact to the dead.

The Outrider was a heavily modified YT-2400 light freighter used by Dash Rendar in Shadows of the Empire. Rendar held that his ship was almost as well known as the Millennium Falcon.

Artificial clawed talons used by the crime boss the Owl.

A long-forgotten war machine.

Tom Thumb and Ape-X created the pacifier pistols which would stimulate the pleasure centers on an opponent.

Painting which can absorb anyone who beholds it.

The Palace of the High Ones is the shape the original elves who came to The World of Two moons chose for their craft. When they crashed here,the ship was a palace and though it changes into an oval-shaped craft for star-travelling, it remains, largely, a palace.

A specially designed gun used by Paladin.

An artifact in Greek mythology, said to contain all the evils of the world.

Mystical item from Earth-2. It contains the souls of the Earth-2 Amazons of Themyscira.

Panther Habit is a vibranium laced outfit of Black Panther.

The Paranoid Pill is an Apokoliptian weapon used by Doctor Bedlam to induce madness in others.

It was the personal starship of the Alpha Centurion that was gifted to him by the Virmiru.