Lucifer begins as an archangel nearest to God, wielding immense power with a detached, lazy approach to divine duties. She leads the Angelic Guard alongside Uriel, collecting scattered orbs, but her rebellious streak emerges early. Holy Magistrate Keter's accusations of planned rebellion fracture her standing, prompting Uriel to doubt her loyalty over past events that jeopardized the heavens.

Her fall amplifies existing powers: enhanced gravity manipulation summons meteors; space-time manipulation, dimensional banishment, biological corruption twists birds into monsters, and soul manipulation emerge. She manipulates technology, appearing on televisions to control imagery, and summons demons or sings to call entities like Satan.

During the "Lucifer Wedding Game" arc, she confronts Keter, damaging then defeating him completely. Her Lightbringer form disintegrates him, negating regeneration. This evolution adds weather manipulation, plasma generation, and molecular-level regeneration negation. Durability reaches solar-system strength, with forcefields trapping entities like Full Power Yesod.

Transcension and Kai forms introduce DEF Down Blast Devastation—a defense-reducing non-elemental flare—and High Energy Circle, an outward-expanding elemental ring. Connect Skills activate via team compositions (e.g., four Blast/Sprite monsters), enabling Weak Point Slayer or Wall Count SS Reducer.

In one continuity, she sacrifices herself to expose a universe-destroying antagonist, later washing ashore amnesiac in the "Monsoni world." This contrasts with her living counterpart there. Her story concludes in *Lucifer - Dawn of Despair*, battling Arthur to the death after he annihilates a sun-sized structure.

Throughout her evolution—from town-level destruction as an archangel to large star-level+ attacks as Lightbringer—she retains genius intellect, vast combat experience against armies, and leadership respected in paradise. Resistances include existence erasure, void manipulation, absolute zero, and molecular corrosion.