This Timeline

Borgan spoke about Erika once and from that conversation Azief could tell that the inheritance of Borgan could be passed down to Erika. 

Asargan essence is in the ring, a true Etherna who is the source of speedster power. 

If Will is given even a few slivers of essence of Asargan, then maybe Will would also find his grand path 

and his path toward strength might differ from other people just like how Azief method of getting stronger began to diverge from the conventional method pointed out by the system

But then who is Vorgan should correspond to? 

There is only one person around Azief that he could think correspond with Vorgan

Loki

Vorgan powers are in deceit. 

When he deceive, the world changes it reality to suit the lie. There is a bit of power of distorting reality by using the power of faith. 

There is also a certain application of the power of words to change the reality