mantis lord, Hollow Knight character, dynamic pose, sharp claws, regal mantis armor, intricate patterns, long antennae, poised stance, combat ready, insectoid features, dark cavernous background, bioluminescent mushrooms, ancient stone architecture, atmospheric lighting, side view, action scene, detailed texture, high contrast, moody ambiance, 3/4 composition, focus on character, eerie glow, misty air, platforming elements, challenging boss fight, game art style, fantasy setting.