He had look at the chaos that is happening in Pandemonium.
He goes there first because he wanted to confirm what Wang Jain and Sasha is doing.
After seeing that the situation would not be that bad, he disappeared.
He expected Loki to be near the Untainted Land and meet with Loki
The reason why he wanted to meet Loki is to confirm the answer.
Loki give the answer he wanted
Of course, knowing Loki, he could still lie about the answer.
But Azief chose to believe him
And he knows what kind of problem that would erupt in the world that would start from the Untainted Land.
The twenty years vision did not show that the people of Untainted land wages war.
But they were preparing for one.
Azief deduced it once again when he was near the Untainted Land and his deduction of the future also shows him that the war that would wage later in the future would be a little bit more bloody.