After transforming the landscape for mutantkind in HOUSE OF X/POWERS OF X, Jonathan Hickman continues to reinvent the X-MEN! The Summers family has made a home for themselves on the moon, but now some new neighbors have moved in - and the trees are killing the children! Then, the Shi'ar Empire asks the X-Men for help, and Cyclops, Storm and Marvel Girl answer the call! Elsewhere, the door to the Vault swings open at last - and for the beings who emerge, it's been a very, very long time since they entered! And Krakoa's future is at stake when one of mutantkind's greatest threats returns: Nimrod is online! Meanwhile, it's time for the Hellfire Gala - and a changing of the guard, as Krakoa's first team of elected X-Men debuts! Plus: thrilling tales starring Magneto, Fantomex and Storm!COLLECTING: X-Men (2019) 10-12, 16-21, Giant-Size X-Men: Magneto (2020) 1, Giant-Size X-Men: Fantomex (2020) 1, Giant-Size X-Men: Storm (2020) 1. Rated T+