Now that I have awoken, no man is safe!
He's a big alien dragon that smashes stuff. Do I really need to say more?
I miss when he used to wear underwear, lol.
Capabilities and traits. (Official Handbook of the Marvel Universe Golden Age #8)
Casually takes blows from Hulk, throwing him back with ease. (Indestructible Hulk #14)
Casually tanks Iron Man's repulsor blasts. (Iron Man #271)
Describes Iron Man's offence as stings. (Iron Man #17)
Easily busts out after being pinned by a few mountains on top of him. (Iron Man #271)
Is completely fine after being hurled to the Moon by Hulk, walking about after taking the impact. (Hulk vs. Fin Fang Foom)
It takes Tony forty times more internal power than usual to take out Foom. (Iron Man #273)
Takes a blow from Classic Mangog without being KO'd. (Deadpool comics are always questionable so take this with a grain of salt) (Deadpool #20)
Takes a few blows from Classic Hulk, quickly countering him after getting attacked. (Hulk vs. Fin Fang Foom)
Takes a thunderclap from Worldbreaker Hulk. (Incredible Hulks #634)
This is made more impressive due to Hulk not holding back whatsoever due to a lack of civilians.
Tanks a optic blast that smashes him into a building, destroying it. (Astonishing X-Men #37)
His breath is stated to be as hot as a nuclear furnace. (Iron Man #273)
That's really all he has in terms of clear feats, tbh.
Foom is stated to a martial arts master. (through how a alien Dragon becomes a master of any fighting style, I don't know) (Astonishing Tales #24)
Seems to have knowledge of karate, using it to chop down the Living Colossus and break down a tree. (Astonishing Tales #24)
Attracts a bunch of lizards to reform into himself. (Iron Man #16)
Mutates a person into a dragon hybrid using a idol of himself. (Iron Man #16)
Shrinks his shape inside a person, hiding within their skin. (Hulk vs. Fin Fang Foom)
Can fly in space at a slightly faster pace than a spaceship. (Drax #11)
Moves in microseconds to dodge and attack Tony. (Iron Man #273)
Beats down Terrax and Drax. (Drax #5)
Casually grabs and hurls around a piece of the Great Wall. (Strange Tales #89)
Dazes Wolverine with two tail attacks. (Astonishing X-Men #37)
Digs out of a underground mountain. (Strange Tales #89)
Destroys a Iron Man armour designed to fight him. (Tony Stark- Iron Man #1)
Foom's attacks shake and shatter the mountains around him. (Iron Man #263)
Hits Iron Man hard enough to bounce him into buildings. (Iron Man #17)
Hits with enough pressure to shake the planet and cause global quakes. (Avengers vs. Pet Avengers #2)
Knocks out Iron Man after smashing him with his fist. (Iron Man #271)
Smashes a WW2 battleship in two. (Strange Tales #89)
Tail whips and holds down Iron Man using his strength. (Iron Man #271)
Takes down a harricarrier using his blows. (All-New Wolverine #8)
Transforms stone statues and reanimates them. (Avengers vs. Pet Avengers #2)
Transforms Thor, Iron Man, and Captain America into frogs off screen. (Avengers vs. Pet Avengers #1)
Foom's main strength comes from his rather impressive durability, with his mass and size giving him the ability to tank and brawl with high tier or above foes. While his own strength is limited, he has a rather underrated set of abilities, using hax in conjunction with his surprising speed and skill to throw people off his gameplan. Anyone assuming that Foom is just a dumb dragon that hits things is unknowledgeable to his true capabilities.