You really don't know?
While Irvin sized up the old man, he had the same questions as everyone else about him. When he moved his eyes to Ozul for answers, he only received a shrug instead of an answer.
How would Ozul explain about this old man when he himself didn't know anything about him?
He didn't say anything and remained in his thoughts until Blaze's match started.
. . .
Two hours later, Raven was still recovering as she stood by Ozul's side while Blaze stood in the middle of the ground, far from the audience.
In front of him stood Mikol with sweat dripping from his face in an unnatural way.
Many from the audience thought that he feared going up against Blaze after seeing the previous battle.
But a couple of others like Raven and the Rank-9 Mages felt that it was strange.