Choi Yu-Seong thought to himself.

‘The Godfather must have reached the entrance of the second floor by now.’

The Godfather was a man destined to climb the Tower of Heaven alongside Kim Do-Jin. He was also the leader of the Demon King Worshipers, and one of the oldest non-human races in this world known as the ‘Ancient One’.

In the original novel, he and Kim Do-Jin had climbed up the Tower of Heaven together, showing great camaraderie. However, as soon as they discovered each other's true identity and realized they held irreconcilable beliefs, they had chosen different paths.

The problem was that, because of this, Kim Do-Jin had missed his chance to take the Godfather's life during their fight in the Tower. As a result, three Demon Kings would descend upon this world at once.

‘Kim Do-Jin's growth was certainly accelerated during his climb with the Godfather.’

In other words, their relationship had been a catalyst for Do-Jin’s growth, but their connection had also brought bad luck.

This was why Yu-Seong had made such a clear choice in the Tower of Heaven.

‘I can serve as the catalyst for his growth myself.’

In fact, Yu-Seong possessed just as many secrets and knowledge through the original...