Episode 21

Episode 21 is the ninth episode of season 2 of The Promised Neverland anime. It aired on March 12, 2021.

Plot
Emma and Ray talk to Norman about how they can still fix this without having to kill the demons. Norman keeps saying its too late as the demons managing Grace Fields will find out. Norman ends up not killing the demons while crying and hugging Emma from the suffering of not wanting to kill demons. Barbara and Cislo encounters a demon child holding a younger demon child frightened from what they've become and Barbara. Barbara tries to kill the demon but she sees herself in the demon and ends up not killing the demon. In the demon temple, Vylk gives a piece of the promised pen to Emma for helping him. Vylk had ate the man who wanted him to give it to a Grace Field child to give them hope of getting out. When the part was connected, the pen displayed blueprints of the inside and outside of Grace Field houses, as well as how to make the medicine for the drugs that were used on Norman and his other drugged friends, and the way to the human world. Vylk and Emma (Demon) leave. While everyone is sleeping, it is seen that Vincent is calling a Grace Field via radio with Isabella picking up on the other side. Vincent says that he has information and is willing to get something for it.