Klaus left the training ground with a smile on his face. At first, he had wanted to discuss more things with the senior, but something told him that doing so could be disastrous. It wasn't that he didn't trust the senior; he did.
It was just that digging deeper would only add to his growing karma. He could already feel it—his next tribulation was going to be a hard one. Although he didn't fully understand how everything worked, he first wanted to get the Grandmaster stage tribulation out of the way before piling up more Karma.
What Number Three had said to him was like a wake-up call. He had indeed been soft and too cautious. However, now that he had awakened his aura, there was no need to be so careful anymore. He had to be more adventurous, even more than before.