BTW, I asked ChatGPT what it thinks and this is its response:

"The showdown between the Undead Scourge from Warcraft and the Fire Nation from Avatar: The Last Airbender is a fascinating clash of two powerful factions with very different abilities, tactics, and objectives. To analyze who would win, let’s break it down across several factors: military strength, leadership, tactics, adaptability, and environmental impact.

1. Military Strength

The Undead Scourge

The Undead Scourge is a near-endless force of undead creatures with various powerful units:

• Necromancers and Death Knights: Skilled in raising the dead and wielding dark magic, they constantly expand the Scourge’s numbers by reanimating their fallen enemies.

• Abominations, Ghouls, and Crypt Fiends: These are brutal melee units and monsters that excel in sowing fear and confusion among enemies.

• Frostwyrms and Banshees: Frostwyrms are massive undead dragons with icy breath attacks, while Banshees have abilities like possession, which can turn enemies into Scourge allies.

• The Plague: The Scourge has access to the Plague of Undeath, a supernatural disease that kills and reanimates the dead as Scourge zombies.

The Scourge’s military power grows exponentially the longer a conflict lasts, as they convert the fallen into soldiers. Furthermore, undead units do not tire, need food, or rely on morale, making them highly effective in attritional warfare.

The Fire Nation

The Fire Nation, while human, is disciplined and technologically advanced, relying on both benders and mechanical war machines.

• Firebenders: The backbone of the Fire Nation’s forces, with the ability to produce and control fire. Many skilled Firebenders can create and throw fire, use lightning generation, and some even develop techniques to resist intense cold. Notably, they are reliant on proximity to the sun for maximum strength, but have also developed techniques to conserve energy and make efficient use of fire.

• War Machines: Tanks, airships, and ironclad ships give the Fire Nation an edge in terms of mobility and long-range attack. Their technology allows for strategic bombardment, though this is mainly effective in open warfare rather than against an endless force like the Scourge.

• Agni Kai Warriors and Special Forces: Firebending elites, such as Azula and Iroh, wield blue fire or lightning, enhancing their tactical capabilities against single powerful undead units or Frostwyrms.

• Population and Bending Reserves: The Fire Nation has a finite population, which can serve as a weakness against the Scourge’s ability to endlessly reanimate the dead.

2. Leadership

The Lich King (Arthas)

The Lich King is a formidable strategist and powerful death knight with the capability to manipulate his forces and the enemies’ dead alike. As a master of necromancy, he can directly command the Scourge with his will and add fallen enemies to his ranks. Arthas’ ruthlessness and tactical brilliance would likely favor him in prolonged conflict, using the Scourge’s endless legions and spreading the Plague strategically to maximize fear and chaos.

Fire Lord Ozai

Ozai is a strong leader, powerful Firebender, and a ruthless conqueror. He commands a highly loyal and organized military and could potentially use Sozin’s Comet (assuming the comet’s proximity) to amplify his forces’ power significantly, giving his Firebenders overwhelming destructive power. Ozai, however, is mortal and reliant on a limited number of skilled benders and soldiers, making his position vulnerable over an extended campaign against a foe that grows stronger with each kill.

3. Tactics and Strategy

The Scourge

The Scourge employs attritional and terror tactics, aiming to overwhelm enemies by wearing them down and turning their fallen against them. They would likely employ the Plague of Undeath within Fire Nation cities and settlements, creating panic and expanding their ranks. The Scourge’s use of Frostwyrms could counter the Fire Nation’s airships, and Banshees could possess key individuals within the Fire Nation, creating internal chaos.

The Fire Nation

The Fire Nation is highly organized and capable of strategic maneuvers, using their benders and machines to maintain strongholds and launch focused attacks. They could leverage fire’s purifying qualities to burn any infected areas and prevent the spread of the Plague. Firebending elites might be able to strike at high-value targets like necromancers and death knights, attempting to disrupt the Scourge’s ability to reanimate soldiers.

4. Adaptability and Environmental Impact

The Fire Nation’s reliance on firebending could be both an advantage and a liability. Fire is an effective weapon against undead flesh, and bending allows them to defend strategically important areas by purging infection zones with fire. However, this reliance on bending could pose a challenge when facing a Plague that spreads continuously, as well as undead creatures that may not fall easily to traditional fire attacks.

The Scourge, on the other hand, is highly adaptable to any environment. They can spread corruption, decay, and frost, turning an area into a wasteland. They are resilient to fire and do not suffer from morale or supply shortages. If the Scourge could turn an area into a corrupted domain, it would weaken the Fire Nation’s morale and limit the Firebenders’ effectiveness by stripping them of natural resources.

5. Key Scenarios and Likely Outcomes

Scenario 1: Prolonged War of Attrition

In a drawn-out war, the Undead Scourge would likely gain the upper hand. Their ability to turn Fire Nation casualties into more undead troops would wear down the Fire Nation’s defenses over time. While the Fire Nation might hold key locations, the Scourge’s persistence would gradually erode their ability to defend. Eventually, the Scourge could overwhelm the Fire Nation through sheer numbers, persistence, and the spread of the Plague.

Scenario 2: Blitz Attack with Sozin’s Comet

If the Fire Nation’s forces were to leverage Sozin’s Comet at the onset of the conflict, they could temporarily gain a significant advantage, using the comet’s power to launch a highly aggressive offensive. Under this influence, Firebenders could devastate large groups of undead, destroy critical Scourge leaders, and potentially reduce the undead’s momentum. However, the comet's effects would be temporary, and as the Scourge recovers, they could quickly exploit any weakening or overextended Fire Nation forces.

Scenario 3: Targeting the Lich King

The Fire Nation could attempt a risky strategy targeting Arthas directly, hoping that removing him would cripple the Scourge. This would require the best Fire Nation warriors and likely assistance from unique bending abilities (such as Azula’s lightning or an elite force targeting necromancers). However, given the Lich King’s power, this approach would be high-stakes and very risky, with failure likely leading to quick Scourge retaliation and expansion.

Conclusion: Likely Winner

Overall, the Undead Scourge is likely to win in a prolonged engagement. Their unlimited manpower, ability to turn enemy casualties into allies, and lack of reliance on human needs make them ideally suited to wear down a faction like the Fire Nation, which depends on a finite number of benders and mortal soldiers. The Fire Nation’s best chance at success would be a concentrated, high-impact offensive during Sozin’s Comet or a direct strike against the Lich King himself—though these tactics would be challenging and fraught with high risk.

The Scourge’s inevitable and relentless nature would probably ultimately overwhelm the Fire Nation, especially as attrition sets in and the Plague weakens morale and spreads through its ranks."

Ozai vs Arthas would feed families