[Fate of the gods] When did we agree to follow/help **SPOILERS**?

So, I started Fate of the gods, and at the beginning, Azzanadra mentions that it is in my interest to bring back Zaros.

I have been doing quests by timeline, excluding a few miniquests, like the dungeoneering ones, boric/doric and the last one I have not completed is Mahjarrat Memories.

To be honest it's so hard to keep track of what I have done, agreed or said to quest characters. But I don't recall ever agreeing to bring Zaros back.

I don't know much of Zaros, aside from what the memories I saw with the memory shards, which pretty much make me understand he's a god who's fascinated by learning and putting in practice what he learns, and seeing the fruits of his actions, but sometimes the fruits of his actions are what is considered bad for certain civilizations, whereas on his eyes, they are just actions.

But, i'm getting far from the actual question. At what part in the storyline/quests, did I agree into bringing him with Azzanadra?