Lich King is an unknown. Going by theory, Sephiroth will be butchered, but for all the fact that we know, Lich King himself might be the one being butchered.
Sephiroth's sword id made entirely of spirit energy in AC, it would have no trouble slashing up the LK. AC Sephiroth also has multiple magic attacks, all of which are severely damaging. Sephiroth takes this with ease.
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.............The Scourge is animated by the power of the lich king. the entire army is driven by his will. He's the power source for everything in the scourge, including big guys like Kel'thuzad and Sapphiron.
You're an idiot.
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If he didn't need an army, he wouldn't use his army for everything. Sephiroth is a threat to planet alone, the Lich King and Sargeras need flunkies to do everything.
More importantly, he is not the one that decided to have them. Kil'Jaeden assigned him leader of the undead that now serve under his will. He was assigned them, he did not bring them forth because he needed them
I wonder what fascistcrusader thought when he made that statement. Did he expect that Lich King would destroy every undead on Azeroth instead of having them worship him and thus' turning him into a God? Just because he can do things by himself, does not mean he has to.
Being worshipped in the Warcraft universe makes you a God. I am pretty sure Lich King likes that title
Yeah, he doesn't need them but he uses them anyway, right. If sargeras was more powerful than his army, he wouldn't use them. If he was as strong as you so blindly believe he'd have wiped out Azeroth already.
Sephiroth is much more powerful than Sargeras or the LK. He was not only a threat to one planet, he was going to travel from planet to planet and utterly destroy them. That's a much large threat than someone that has to rely on an army that can't do anything impressive.