See this? This is why you should never say "soul" in your work of fiction ever. Similar principle, calling anything that isn't elusively evil a demon. The term "soul" implies the "intrinsic essence of a sentient being deserving of empathy" and at the same time "something that can be lost stolen or tarnished if you don't obey a certain morale framework". That is almost never what writers mean when they write about "souls" it's just magi-babble and/or an excuse to justify guiltless killing of the villains.
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But what if we merely assumed this or alternately retcon?
Nope. After the little backend forth between he and Maiev where she does her "I AM nothing..." speech, he's still alive. We then kill him so we can loot him. Now, they could argue that killing him is just gameplay so we could get loot, but they could have also done something like Maiev binding him and leaving a chest of rewards for us. So, he died in that fight.
No this is mostly wrong and really this should not have made it to live.
Demons and demon hunters(well some of them maybe it wasn't explained fully) can only die when either A) In the Twisting Nether or B) on a fel corrupted world/area
Illidan should have died on Outland by the right since it was in the nether.
The player character should also have died on Mardum since it's a legion world which counts the same. Illidan destroyed the Naztherim homeworld in the book and all of them are explained to be dead for good because the world is fel corrupted just like Argus.
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He was and as of Legion is 100% dead.
Guldan is trying to use his corpse for Sargeras to have a new body on Azeroth with the Nightwell
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You were already in the TN. Mardum is in the TN and is a fel corrupted planet thus you should have died forever just like all the demons killed there.
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Demons can die, it just has to be in the TN or somewhere with massive fel corruption. The devs said that Archimonde is now dead for good(the mythic part was canon just that they didn't make another cinematic.)
Demon hunters have a will of iron that prevents them from listening to the "whispers" (of the Legion) in their head, even though they infuse themselves with high amounts of fel. Atleast some of them, as we see in the DH start zone, some of them almost succumbed to the fel and one of them even blows up. After getting infused with enough fel, a DH's soul becomes a demon soul. It's overall a class based on personal sacrifice and incredible will to resist the Legion's whispers, that in the end comes with it's perks.
Man, Blizzard sure is on a "blow people up kick" with this expansion, huh? People gettin' blown up left and right and it's only pre-release. Bloodthirsty butchers!
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Well when you're talking about the person's essence moving to an afterlife and coming back to this life, it's basically swimming, waddling, and quacking like a duck, so...
ngl I picked that option because I thought it would be funny if the character was outright deleted when you did
My point is that it's usually got nothing to do with any specific tradition or belief system. Authors today make a stew of everything from Norse to Neo-Pagan beliefs when making a settings mythology. The Demon Hunters are not "evil" or "going to hell" because there isn't one, in Warcraft the Twisting Nether where the Legion hangs is clearly Outer Space and not all of the demons are morally one-dimensional or servitors of Not-Satan.
What I'm saying is the duck is a platypus.
Demons come back from the nether
Warlocks have soulstones
Could just be a tongue in cheek comment for the lulz
i probs wouldnt read too much into it, but could be an interesting area to explore
That's not really the implication, though. Illidan was surprised that you have an immortal demon soul, like him, calling it "interesting". When you talk to Sevis Brightflame later, he says "Now, you must tell me how you survived. I killed you! It would seem the rumors about you are true... you're nearly as powerful as Illidan". And, if you choose to sacrifice him, Sevis doesn't return.
So, Illidan remains a little unique among demon hunters. It's just that you are as well, for some reason.