Though not necessarily supernatural itself, it does grant high-tech powers to the user.
The user utilizes a specialized suit of armor by using technology alone. Armor may be powered by the user's thoughts, so the user would have to concentrate if the suit is to high-tech function properly. With all mechanical power the armor possesses, there are cutbacks. The suit may need a source of supply power to activate or the suit would use the user's life energy, thus rendering the user unconscious or dead. The suit may even enhance the powers of those who already have powers. The suit may be equipped with all sorts of gadgets the user can use.
Several members of the Teen Ninjas (Codename: Kids Next Door) in their B.R.A.s (Battle Ready Armor).
Valerie Grey (Danny Phantom) in her ghost-hunting suit.
The Ecto-Skeleton (Danny Phantom) was capable of amplifying Danny's ghost powers 100 fold, but at the cost of drastically exhausting his body.
Skulker (Danny Phantom)
David Xanatos (Gargoyles) in his red battle armor.
When Dib's (Invader Zim) skeleton was crushed by a paramedic in a freak piggy accident in an alternate timeline, his father Professor Membrane created for him the MegaBoy 3000, a fusion-powered titanium exoskeleton that "gave give him the strength of ten thousand little boys!"
Kim (Kim Possible) wear the battlesuit, created by Wade Load.
Kim (Kim Possible) briefly wore The Centurion Project.
Princess Morbucks (The Powerpuff Girls)
Combat suits (Rick and Morty: Look Who's Purging Now)
Utroms/Kraangs (Teenage Mutant Ninja Turtles 2012 TV series)
Rhino's (The Amazing Spider Man 2) armor is made up of Soviet era tech and weaponry that Oscorp had storage until it was put together by Harry Osborn and Aleksei Sytsevich.
Big Hero 6 (Big Hero 6) ready for action.
Jet Jaguar (Godzilla) one of the many Mechas.
M.O.G.U.E.R.A (Godzilla) one of the many Mechas.
Gipsy Danger (Pacific Rim), a prime example of a Mark III Jaeger.
The Shredder (Teenage Mutant Ninja Turtles 2014) uses a high-tech exoskeleton that increases his strength and possesses multiple retractable blades in each arm, which can be fired off as projectiles and magnetically recalled.
Soldiers (Call of Duty Advanced Warfare) have high tech Exo suits to overcome many obstacles.
Master Chief (Halo), wearing upgraded Mark VI MJOLNIR Powered Assault Armor.
The Ur-Didact (Halo) wearing his personal "Combat Skin".
When X (Mega Man X series) wears his First Armor, he is able to dash through the air, take less damage, fire a more powerful Charge Shot, break blocks with his head, and even fire the Hadouken.
In his Second Armor, X can dash through the air, take less damage, fire more powerful Charge Shots, finds secret passages with his Item Tracer, yield unlimited ammo, unleahsh his Giga Crash attack, and even perform the Shouryuken.
In his Third Armor, X can use the Variable Air Dash to double jump, take less damage, fire more powerful Charge Shots, locating items with his Item Radar, and use his Beam Saber. Should he collect the Hyper Chip, X can turn the Third Armor into the Hyper Armor for more power.
In his Fourth Armor, X can dash and hover in the air, take less damage, fire more powerful Charge Shots, fire endless uncharged special weapons, and use his incredibly powerful Nova Strike.
In his Ultimate Armor, X posseses all of the enhancements provided by the Fourth Armor and can use the Nova Strike for an unlimited amont of time.
In his Falcon Armor, X can fire more of his special weapons, take less damage, fire his Spear Charged Shot that hat can penetrate surfaces, terrain and shields, use the Giga Attack, and execute Free Move to stay airborne.
In his Blade Armor, X an fire more of his special weapons, take less damage, fire his Plasma Shot, and use his Mach Dash to dash through the air. Also, with Z-Saber mounted to his X-Buster, he can utilize the Charged Saber to unleash powerful slash attack that can destroy enemy projectiles.
Gray Fox (Metal Gear series)
Raiden (Metal Gear series)
A Haven Trooper (Metal Gear Solid 4: Guns of the Patriots)
Samus Aran (Metroid) wearing her trademark power suit.
Pharah (Overwatch) possesses a high tech suit that belonged to her squadron.
Winston (Overwatch) being a scientist created a powerful suit to achieve short range jumps and enhanced durability.
The Black Knight (Sly Cooper: Thieves in Time) is a mechanical armor Penelope created who's using a rocket launcher ...
.. and later upgraded with a laser and a shield.
The Nega Egg Wisp (Sonic the Hedgehog) is one of Eggman's final battle suits.
A male Inkling (Splatoon) wearing the Power Mask, granting improved defense, Power Armor, granting a reduced respawn time, and Power Boots, granting reduced ink consumption by their main weapon.
Terran Marines (Starcraft) have a very powerful terranial armor.
Orbital Frame Jehuty (Zone of the Enders)
The Nanosuit 2 (Crysis) is made of reverse-engineered alien nanotechnology and is so adaptable and advanced, it behaves more like a symbiotic organism than traditional armor.
Emma/Essentia's (Pokémon) Expansion Suit grants her superhuman physical attributes, the ability to change her appearance, and the power to override a Poké Ball's programming.