Nen ability refers to the ability to freely manipulate the life energy overflowing from the body. Those who possess Nen ability are called Nen users. In any field, there are exceptionally talented individuals who may unintentionally use their Nen ability when focused on their creative work. Objects created with Nen ability will emit an aura.

Roy travels to a Marvel Universe without mutants and awakens a mutant gacha system.

By loading the drawn cards, you can gain all the abilities of the card character.

Professor X, Magneto, Phoenix, Cyclops, Storm, Mystique, Wolverine, Iceman, Black King, White Queen, Scarlet Devil, Apocalypse, Scarlet Witch, Quicksilver, Legion, Vulcan, Franklin Richards...

Many years later.

Roy, now a Super Omega-level mutant, looked at the multiverse he had created with his own hands and slowly said, "Creating a multiverse isn't that difficult."

...

PS: Super Omega is a classification that has appeared in comics. Vulcan and Franklin Richards were both rated as Super Omega.