Hrsvelgr (cant spell it) might well come and play a role in this. Helping the humans against Nidhogg. Aymeric will save Lucia, that will sacrifice herself by saving in turn Aymeric from the attack of Nidhogg till will wake Estinian that will be killed by Aymeric himself thinking he was killing Nidhogg all this with the help of all heroes.....So Aymeric will be officially the new Leader of Isghard a solitary one and will be able to work with the dragons and Hrsvelgr to re-establish some peace among humans and dragons.

So effectively Estinian was saved and his soul was redemeed but the cost is the happiness of Aymeric (probably) ....

Uhmm yeah need to think a bit more on this...

ehehe