The first time his anger got the best of him was when he tried to kill Kate Duncan back in the academy.
It was a mistake he would have regretted. Thankfully, that didn't happen.
Even then, if he had somehow survived the heavenly tribulation, it would have set him back several years.
So he knew what Kaden said wasn't false claims.
However, hearing one of his incarnations lost it and went berserk, Klaus was rather shaken.
The sly Kaden just smiled at him.
After a while, Klaus recovered.
"Tell me everything," he asked in a tone that wouldn't take no for an answer.
"But that is not possible, at least the telling you everything part. However, I can tell you something that will help you when you finally remember that time." Kaden got serious.
"Basically, the seventh incarnation was our first time experiencing world awakening, so we didn't really know how much the heavens wanted us dead.
It was then we realized they wouldn't hesitate to kill billions just to get to us.