Rowan was fascinated by the Primordial Beasts. On the surface, they might resemble a race of tragic beings who got dealt a bad card, but the more he learned about the overall state of existence, the realization that the Primordial Beasts were far from normal reared its head.
When he was a mortal and learned that in the past, the Primordials had an enemy they could only defeat inside of Eosah's Reality because they tricked them and sowed a seed of disunity among their numbers, ultimately leading to their defeat, Rowan had not truly understood the weight behind that claim, not until he reached his present level and saw the overwhelming domination that the Primordials had over all of existence.
Their Will, which was the Will of Elder was certainly strange. He recalled the description given to him by the Primordial Record:
