Tentacles: Doctor Octopus' superhuman abilities derive from the four mentally-controlled, electronically-powered, telescoping, prehensile titanium-steel tentacles attached to a stainless steel harness encircling his body from lower chest to waist. Each tentacle, approximately five inches in diameter, terminates in three single-jointed pincers. The pincers are able to rotate in relation to the arm for 360 degrees, in a screwdriver-like twisting motion. Each tentacle segment contains four high-efficiency electric motors equipped with a clutched, helical-gear train, independently mounted on frictionless gimbals and housed in four thin, overlapping layers of titanium-niobium steel. The titanium-steel alloy is light, has high-tensile strength, a high melting point, and high thin-wall rigidity. The motors get their power from a small nuclear-powered thermo-electric generator, which can provide several hundred watts per hour for up to five years before needing to replace its U-239 core. The tentacles have been modified since the time of the original accident to include high-efficiency battery packs (enabling movement when cut off from the central power source) and individual micro-circuit control modules (enabling each arm to perform certain pre-programmed actions when Octopus loses conscious control). In the event that Octopus loses consciousness, the control module of each arm has enough pre-programmed conditional responses in its memory chip to enable it to perform a relatively complex sequence of actions, such as saving his life. The trauma of his arm or arms being separated from the harness causes a period of disorientation in which his arms flail about uncontrollably until the pre-programming takes over.
Telepathic Control over Tentacles: Octopus can control the actions of his artificial arms psionically, even when they have been severed from his body and are separated from him by vast distances (a distance of 900 miles has been recorded).
Telescoping: Each tentacle is approximately six feet long at full contraction, but can extend to a maximum of 24 feet in length.
Superhuman Striking Force: Each tentacle is capable of moving at a speed of ninety feet per second and strike with the force of a jackhammer.
High-Wind Generation: The tentacles can generate 50 mile per hour winds if spun like a giant fan.
Wall-Climbing and Traveling: By combining the intrinsic strength of both his tentacles and the pincers, Doctor Octopus can scale stone, brick, or concrete walls by rending "handholds" in the surface of the wall. Octopus is able to use his tentacles for traversing horizontal distances as well. At full extension, he can travel high above the ground as if on stilts, either using two tentacles, or for maximum speed (approximately 50 miles per hour), four tentacles.
Sensation Feeling: Although there are no nerve endings throughout the length of his artificial arms, Octopus can "feel" basic sensations with them. As a result of the mutagenic changes from exposure to radiation during the accident, electrical connections have been made from his chest harness to his spine. Thus, Doctor Octopus can mentally perceive "tactile" sensations by feeling the amount of electrical resistance that the pincer's electric motors feel when the pincers grasp an object.
Superhuman Concentration: Doctor Octopus possesses extraordinary mental abilities and concentration, and through years of practice is able to perform two complex and two simple independent actions, simultaneously, one with each arm.
Doctor Octopus is one of the world's leading authorities on nuclear radiation and its effect on animal physiology.
Doctor Octopus is a brilliant engineer and inventor.
Doctor Octopus is a superb strategist and a charismatic leader.
Without the use of his artificial tentacles, Doctor Octopus possesses the normal human strength of a man of his age, height, and build who engages in no regular exercise. Each of his tentacles is able to lift approximately 8 tons (provided that Octopus supports his harness with at least one other arm in order to prevent the chest harness/skin interface from bearing any part of the effort). With one arm, Octopus can lift an automobile. With two arms, he can throw an automobile tens of feet, or lift a small bus. The pincers on his arms are capable of gripping with a force of 175 pounds per square inch, sufficient to deform any object made of a thin-walled substance less durable than steel. The pincers can, for instance, crush a handgun. By combining the intrinsic strength of both his tentacles and the pincers, Doctor Octopus can perform such feats as tearing steel doors off bank vaults.
Tentacles: Dr. Octopus has possessed a total of three different harnesses during his career: the original titanium harness, a more powerful adamantium harness, and the current harness, which was modified in 2004 to resemble the version seen in the movie Spider-Man 2. The original and adamantium harnesses were both destroyed in the Lethal Foes of Spider-Man miniseries. The current harness has eight tentacles as opposed to four.
Original Harness: With his titanium harness, Doc Ock was able to beatDaredevil, a seasoned combatant with superhuman senses, almost to death out of sheer power. It was also temporarily worn by Spider-Man after Octavius' death, until the Hobgoblin caused it to short-cirtuit via pumpkin bomb. Spider-Man than proceeded to rip them apart when he lost control.
Adamantium Harness: Using adamantium Octavius created an entirely new indestructible harness, with all of the abilities he had before but with exponentially higher durability. Using this harness he was able to bestIron Man in combat, tearing the hero's armor apart with a defeat so harsh that Tony Stark began to doubt his abilities almost enough to resort back to alcoholism. He knocked the Hulk unconscious and, by Spider-Man's own reckoning, was "holding his own" against the combined forces of himself, the Hulk, the Fantastic Four, Deathlok, Ghost Rider, and Solo, even after the rest of the Sinister Six were defeated or fled.