Small Chunks or Big Chunks.
He reached his house successfully. It is a small place at the top of a giant tree. Even though he is determined to achieve his dreams, he can't help but look at what he will be leaving behind. He looked back fondly at his naive, ignorant, and lazy self. All his family has gone to the upper realm. They are probably waiting for him or not. But he won't make it.
The fact that he has long detached himself from irrelevant things that won't foster his quest for power made it easier for him to let go. Then he suddenly laughed out loud. His voice resounded through the entire forest. It was a voice full of resolve and resolution, but there was no one there to witness it.
He wiped his face of his tears and began to put his plan into action. Even though the difficulty of a true reincarnation almost stifled him back in the tower of heaven, he didn't give up. He continued his research and was able to formulate a fail-safe plan that could achieve his goals.