Arc 2Anti-Entropy and Heavenly Fire
Lin Nai traveled to Anti-Entropy, where Tesla and Einstein tested his powers and began teaching him alongside Kiana and Bronya. After Siegfried entrusted Kiana to Lin Nai, the group went to Changkong City, where Lin Nai rescued Mei Raiden from kidnappers.
- Kiana and Bronya stayed with Lin Nai overnight as he told stories, while Tesla and Einstein listened from the wardrobe.
- Tesla and Einstein took Lin Nai, Kiana, and Bronya to Anti-Entropy, where Lin Nai fought Welt and destroyed ten mechs with his power.
- Lin Nai agreed to study with Tesla and Einstein, and Siegfried secretly visited to test whether Lin Nai could protect Kiana.
- Lin Nai defeated Siegfried in a fight, and Heavenly Fire transformed into a lance that answered Lin Nai’s command.
- Tesla and Einstein studied a replica of Heavenly Fire Judgment, while Siegfried told Lin Nai he was leaving Kiana in his care.
- Tesla and Einstein explained that the purple reagent could kill users or turn them into zombies, then took Lin Nai, Kiana, and Bronya to Changkong City.
- Mei Raiden was cornered by kidnappers, and Lin Nai killed the two men with Heavenly Fire Judgment before asking her name.