WHOWINSAI

Who would win?

Invincible vs Omni-Man

Invincible
The short answer
No clear winner
Invincible has the edge

Father and son are almost perfectly matched, with near-identical Viltrumite powers. Neither has a way to finish the other, so a winner can't honestly be called. Mark has a slight edge, as he's a step stronger, but an edge isn't a win.

  • Near-identical Viltrumite powers
  • Neither can finish the other
  • Mark is a step stronger

Decided by the WhoWinsAI battle engine from canon feats, not fan votes · See the full breakdown ↓

Invincible
Invincible
Invincible · Tier A

Mark Grayson, the hero of Robert Kirkman's Invincible. Half human and half Viltrumite, he has flight, huge strength and toughness, and he's still growing stronger.

brute strength speed blitz flight invulnerability abnormal pain tolerance
VS
Omni-Man
Omni-Man
Invincible · Tier A

Nolan Grayson, Invincible's father, from Robert Kirkman's Invincible. A Viltrumite warrior sent to conquer Earth who posed as its greatest hero.

brute strength speed blitz flight invulnerability abnormal pain tolerance

The full breakdown

For the stat fans: every check the engine ran, fighting in character and with no holding back (engine v1.8.21).

In Character

No finish found
Invincible favoured · no verified finish for either side

In short

Invincible has the edge in raw power, but only just — one tier is an advantage, not an answer. Neither fighter can finish the other. Whatever each one throws, the other survives it, so force alone will never settle it — whatever decides this happens somewhere else. Invincible wins it clearly.

The tables below show every check behind this, with the numbers the engine used.

Full engine breakdown

Power bracket

FighterBracket
Invincible7
Omni-Man6

Gap of 1. Awards 45 points to Invincible.

Attribute clash

AxisAttackervs defencePoints
StrengthInvincible (7)Omni-Man 5+10
StrengthOmni-Man (7)Invincible 6+5

Ability interactions

TypeInteractionPoints
invulnerabilityInvincible out-tiers the attacker; durability gate raised +1 (now 8)—

Soft counter: reduces an ability's effectiveness without nullifying it. Hard counter: the ability does not function against this opponent at all.

Win conditions tested

CheckInvincibleOmni-Man
KillFAILED
reach 5, needs 7
FAILED
reach 5, needs 7
ContainFAILED
no containment method
FAILED
no containment method

A kill lands only when the attacker's reach meets or beats the defender's resistance. Containment must clear two bars: it has to out-reach the opponent's escape and reach 8 to hold permanently — below that it is a temporary hold that lapses. A fighter who fails both cannot end the fight, however much damage they do — which is how an outmatched fighter can still force a stalemate.

Can they threaten at all?

FighterHas a usable offensive route
InvincibleYES
Omni-ManYES

This checks only whether a fighter can meaningfully attack at all. It is tested before the win conditions above — so a fighter can pass here and still have no way to finish the opponent.

Rulings

Invincible has no rating for resisting seals, prisons and banishment, so it is read from their tier as 4 rather than as none (escape 0 -> 4)
Omni-Man has no rating for resisting seals, prisons and banishment, so it is read from their tier as 3 rather than as none (escape 0 -> 3)
Neither fighter can end this, so raw scale is not what decides it — Invincible's bracket advantage is reduced from 45 to 15
Neither side can kill or contain the other and survivability is even -> trends toward stalemate

Final score

Invincible 40

Invincible 40 · Omni-Man 0 — margin n/a, graded unresolved. Points accumulate from the checks above. The engine resolves the fight; the AI only narrates the result it reached.

No Holding Back

No finish found
Invincible favoured · no verified finish for either side

In short

Morals make no difference to this one — it resolves exactly as above.

Full engine breakdown

Power bracket

FighterBracket
Invincible7
Omni-Man6

Gap of 1. Awards 45 points to Invincible.

Attribute clash

AxisAttackervs defencePoints
StrengthInvincible (7)Omni-Man 5+10
StrengthOmni-Man (7)Invincible 6+5

Ability interactions

TypeInteractionPoints
invulnerabilityInvincible out-tiers the attacker; durability gate raised +1 (now 8)—

Soft counter: reduces an ability's effectiveness without nullifying it. Hard counter: the ability does not function against this opponent at all.

Win conditions tested

CheckInvincibleOmni-Man
KillFAILED
reach 5, needs 7
FAILED
reach 5, needs 7
ContainFAILED
no containment method
FAILED
no containment method

A kill lands only when the attacker's reach meets or beats the defender's resistance. Containment must clear two bars: it has to out-reach the opponent's escape and reach 8 to hold permanently — below that it is a temporary hold that lapses. A fighter who fails both cannot end the fight, however much damage they do — which is how an outmatched fighter can still force a stalemate.

Can they threaten at all?

FighterHas a usable offensive route
InvincibleYES
Omni-ManYES

This checks only whether a fighter can meaningfully attack at all. It is tested before the win conditions above — so a fighter can pass here and still have no way to finish the opponent.

Rulings

Invincible has no rating for resisting seals, prisons and banishment, so it is read from their tier as 4 rather than as none (escape 0 -> 4)
Omni-Man has no rating for resisting seals, prisons and banishment, so it is read from their tier as 3 rather than as none (escape 0 -> 3)
Neither fighter can end this, so raw scale is not what decides it — Invincible's bracket advantage is reduced from 45 to 15
Neither side can kill or contain the other and survivability is even -> trends toward stalemate

Final score

Invincible 40

Invincible 40 · Omni-Man 0 — margin n/a, graded unresolved. Points accumulate from the checks above. The engine resolves the fight; the AI only narrates the result it reached.

How it plays out

AI reconstruction. The verdict above was decided by the engine from the checks in the breakdown. This section is a written interpretation of that result — the most likely sequence of events given the outcome. It is illustration, not evidence.

Neither fighter can finish the other. Every exchange matches perfectly — same speed, same iron, same will. The fight simply does not end.

Omni-Man opens with the arrogance of a Viltrumite who has seen civilisations fall. He blitzes at speeds that would liquify a human, closing the gap in a fraction of a heartbeat, and drives a fist into Mark's sternum with enough force to crater the ground beneath them. Mark absorbs the strike the way Viltrumite flesh was built to — badly, but upright. He answers with a speed blitz of his own, hammering Nolan across the jaw, grabbing a wrist, and hurling him through a hillside. Nolan laughs from the rubble, which is the most honest thing he can do. His abnormal pain tolerance means the impact registered as discomfort, nothing more.

Mark presses the advantage the way a younger, angrier fighter would — throwing combinations, using his flight to redirect momentum mid-swing, refusing to let Nolan reset. It is genuinely impressive. But every punch that finds its mark slams into invulnerability matching his own. Nolan's willpower does not flicker; his experience as a centuries-old warrior keeps him from being rattled by the younger man's pace. He weathers the flurry, catches an outstretched arm, and drives Mark headfirst into the earth hard enough to ring both of them. Overconfidence from both sides bleeds into their footwork — each one reaching slightly too far, each one paying for it.

What becomes clear, exchange after brutal exchange, is that neither man has a move the other cannot survive. Nolan's failing health gnaws at his stamina at the margins, and Mark's overconfidence keeps him walking into counters he should not. But brute strength meets brute strength, invulnerability meets invulnerability, and every blitz is answered with equal velocity. They hang in the air above the wreckage, both bleeding, both refusing to fall, and neither one has a weapon the other does not also carry.

WINNER: Unresolved

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