Flames formed the sea; lava formed the land.
One of Limbo's dimensional lords, the Hell Demon King Mephisto, had unleashed an endless infernal furnace, utterly turning this Mirror Dimension into a sea of fire.
Among the countless dimensions of the universe, the Hell Dimension was one of the vastest and most terrifying. The most direct manifestation of its power was flame.
The hellish energy released by Mephisto had materialized into an endless dark-red sea of fire, burning away every piece of physical matter in the Mirror Dimension.
This space had long since lost any concept of "ground." Mountains and rocks had melted into magma and silicate fluid, while the sky was packed with endless thick black clouds—a smoky curtain formed from the ashes and fumes of Hellfire.
The heat, hundreds of degrees high, scorched everything without pause. A mortal would have their lungs rot after a single breath here and spontaneously combust after lingering for even a moment.
Standing in the air atop a massive arcane array condensed through the Mystic Arts, Ancient One's eyes flickered with tiny runes. The barrier formed around her body allowed her mortal flesh to remain in this place.
From time to time, she wielded an Adamantium fan enhanced by mystic spells, slashing out blade-like arcs of energy that flew toward Mephisto.
Meanwhile, James Howlett had plunged both claws into Mephisto's arms, pinning him in midair as knee strikes and headbutts hammered into him without pause.
His powerful jade-white body was covered in blood-red mystic arrays. Red Radiance shone from his eyes like serpentine lightning, and bathed in the fires of hell, he had fully adapted to this harsh environment.
Boom! Boom! Boom!
James's head repeatedly smashed into Mephisto's face. The flesh of his forehead was mangled away, only to instantly regenerate. The Hell Demon