Underground City Brownie in Comic Book World

An energetic brownie character, a small, mischievous fantasy creature, navigating an expansive underground city. Rendered in bold comic book style with thick ink outlines, dramatic halftone shading, and dynamic action lines. The brownie wears a tiny leather jacket and gear, holding a glowing lantern that casts warm amber light on moss-covered stone, iron rails, and glowing neon fungus. The underground city around them is a maze of curved tunnels, arches, hanging vines, steam vents, and mineral-vein towers carved from rock. Use a high-contrast color palette of earthy browns and grays with electric blues and greens in the highlights. Composition should feel cinematic with a strong perspective, panel or splash-page layout, and optional speech bubbles to enhance the pulp vibe.