If the goals of this world fall short in comparison, then everything upheld now will vanish into nothingness, replaced by the one goal deemed most important in comparison.
Therefore, if using this method, it is best to extract energy one life at a time, allowing enough buffering time to adjust one's sanity.
Caleb Wuz also tried using this method, and he dared not restore all the memories and powers of his past lives, thus he barely restored a few lives to extract power, yet even so, he was frightened by the alien scenes witnessed in his past lives.
Fortunately, in Caleb Wuz's past lives, there was a powerful race known as the [Wendigo] (content translated from the Completion Manual in the notes), resembling upright starfish, who can survive directly in the universe and absorb stellar power to forge their souls.
They built many colonies in the universe, and Caleb Wuz inherited the soul power of the Wendigo, greatly enhancing his soul power.
