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.

Before his death, Lynn bought a set of twelve talismans online, but unexpectedly struck gold and was transported to the Marvel universe, becoming a sorcerer in Kamar-Taj, with the Ancient One as his master. Lynn was surprised to find that the twelve talismans had also traveled with him, and were even connected to a god-level fortuitous encounter system. Completing these fortuitous encounter missions would activate and strengthen the talismans, granting numerous rewards. [S-rank fortuitous encounter mission: Obtain the Eye of Agamotto to activate the Rabbit Talisman.] [SS-rank fortuitous encounter mission: Enter the Scarlet Witch's dream to obtain Chaos Magic.] [SSS-rank fortuitous encounter mission: Conquer Jean Grey (Phoenix) to obtain the Phoenix Force.]... All twelve talismans awakened, and...