In Honkai, I Only Love Valkyries Chapter 620

Although on the day after Anti-Entropy was founded, Apocalypse raided its base and turned every member of Anti-Entropy, including Old Yang, Einstein, and Tesla, into puppets under their control, using those puppets to maintain the organization.

They suddenly grew curious.

When Cocolia joined Anti-Entropy in the future and learned that everyone in the organization besides her was a puppet under their control, how would she react?

Time moved forward once more. World Serpent seemed to notice something strange about Schicksal, so Gray Serpent sent people to investigate Schicksal. But before the investigators could even leave, Apocalypse came knocking and turned every member of World Serpent into puppets.

However, after coming into contact with World Serpent this time, they lost interest in the Imaginary Tree. They had participated in its construction during the Previous Era, and there were even memory fragments left behind by Apocalypse within it.

Apocalypse could be considered a Flame-Chaser as well.

Of course, the memory fragments within the Imaginary Tree only belonged to Otto and had nothing to do with Apocalypse.

Yet Apocalypse still extracted their own memory fragments.

After dealing with Anti-Entropy and World Serpent, Apocalypse remained in headquarters conducting research. Based on the replication of memories, they combined Honkai Beast genes with Kallen's genes and created the A-series test subjects, ordering every individual to kill all members of their own kind they encountered.

In that "battle royale," test subject A-310 laughed last. But during the final one-on-one, although she defeated test subject A-303, she did not finish her off. Instead, she begged Apocalypse to spare her.

A-310's kind nature closely resembled Kallen's. Apocalypse agreed to her request and gave A-310 the name "Theresa," while giving A-303 the name "Amber."

Theresa became Apocalypse's granddaughter, while Amber became their secretary.

Then...

Apocalypse turned both of them into