Episode 21

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

Synopsis
Emma and Ray convince Norman to stop his plan to annihilate the demons. They receive information via radio that Phil and the others are to be shipped out, and therefore need to rescue them.

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 are bound to find out. Norman ends up not killing the demons while crying and hugging Emma, crushed by suffering he has experience, and his desire not to kill demons. Barbara and Cislo encounter a demon child and a younger demon child holding onto each other, frightened from what they've become. Barbara tries to kill the demon, but she sees herself in the in them and ends up letting the demon live. In the demon temple, Vylk gives a piece of the promised pen to Emma for helping him. Vylk admits to eating the man who wanted him to deliver the pen part to a Grace Field child, in order to give the children hope of escaping. 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. It is revealed that Phil and the others are to be shipped out, however it is a trap by Peter Ratri to lure the escapees to Grace Fields. Ratri explains his plan to expand the Lambda drug-based development to other farms, demolishing the need for high-class farms such as Grace Field. Emma, Ray, Norman and the other children decide to go back to Grace Field in order to save Phil and the others.