Owing to their very limited time of five to ten centuries to complete their task, Hiran did not wait for questions nor did he spend any time explaining things in further detail. There would be plenty of time to do that while they were on mission, not to mention his knowledge about these things wasn't much more detailed than what he was telling them.
"You can probably imagine what happened when Vaelûn, which was still building its framework, began devouring the remains of a much more mature universe. Vaelûn underwent drastic changes, and many of the laws that Vaelûn was originally developing crashed or ruptured. Entirely new laws took their place, and the framework of the entire universe changed.
