The old man wasn't particularly mad about Derek informing him that they are unable to raid the supposedly Ancient Dragon.
He was just upset cause he will lose this chance to improve his strength more and can even take this opportunity to showcase their power to the other great clans.
Unfortunately, not everything goes as someone desires, and there are bound to be ups and down in the long journey of cultivation.
If Abaddon were to hear their conversation about raiding the Ancient Dragon, he will only give a faint smile to the subject and move on.
After all, his guess will be solidified after he knew that everyone saw a different view inside of the temple.
However, what might actually make him feel joyful about that situation particularly, was the fact that there is a tiny possibility that all these space dimensions they were seeing inside of the temple aren't all just mere illusions.
