21308 said My first thought was of am Alistair who survived by learning to use the darkspawn disease inside him to control them.

Too Old 4 This said
Just my 2 cents, but I would caution against multiple GMs unless we truly need them due to group size and game scope. You invite in multiple possible issues when you have multiGMs. That's kinda silly. If the Horde isn't defeated than there is still an archdemon. Hey Horde this is Alistair, you know that kinda dopey Grey Warden who failed to defeat you, yeah I know your minds are bent under the control of an Ancient Corrupted God-Entity, but if you could follow my instructions instead that would be just swell. Even the Architect and the Mother, those awakened darkspawn demi-gods from the sequel, could not gain influence until the Archdemon had fallen.

Lucius Cypher said
From my understanding, Grey Wardens are basically Ghoul's, but don't succumb to the taint as quickly. They do go insane after a long amount of time, if you're male. If you're female, you go Brood Mother instead. That's why they have to go through the Calling; so that they won't succumb to the taint before they lose their mind. Only certain Wardens managed to withstand the Taint for so long, and the only person I remember was able to do that was a Blood Mage, who used magic to extend his life.If Alister survives the take over of Fereldan, either he'd do his own Calling (And thus be dead), or succumbed to the Taint and becomes a very powerful Vanguard for the Archdemon (And thus be our enemy). Or he could just be alive and still trying to defeat the Blight.Additionally, since Alister is a Grey Warden, he's already immune to the Taint. Cause he already has it. He can't get anymore "Infected" at any given time, unless the RP takes place a few years after the Blight in Fereldan and he's like forty years old or so. Ruck went insane because he was just a normal dwarf who began to eat the darkspawn corpses and got infected by the taint that way. Grey Wardens need a special mixture to gain an immunity from the taint, which involves taking on a weaken version.

21308 said
Oh, I must have forgotten about the part where the archdemon is the only one capable of having control while it's around. Alright, so we'll scrap that part. Maybe he just ends up taking in an unprecedented amount of the darkspawn taint, kind of like Ruck. Does the game ever say what would happen if a Grey Warden were to be put in a situation like that? I'm assuming they wouldn't just die or go insane, or at least not as quickly as or in the same way a normal person would.

Too Old 4 This said
Just my 2 cents, but I would caution against multiple GMs unless we truly need them due to group size and game scope. You invite in multiple possible issues when you have multiGMs. That's kinda silly. If the Horde isn't defeated than there is still an archdemon. Hey Horde this is Alistair, you know that kinda dopey Grey Warden who failed to defeat you, yeah I know your minds are bent under the control of an Ancient Corrupted God-Entity, but if you could follow my instructions instead that would be just swell. Even the Architect and the Mother, those awakened darkspawn demi-gods from the sequel, could not gain influence until the Archdemon had fallen.