Luminocorallia Mystica, named for its light-emitting coral-like fruiting bodies, is a rare bioluminescent fungus with translucent, undulating caps up to 15 cm tall, featuring orange-amber internal pigmentation and bluish semi-transparent surfaces. Dense, finely decurrent gills merge with robust, translucent stipes anchoring it to substrates. Bioluminescence occurs mainly on the cap and hymenial surfaces (420-490 nm), indicating a luciferin-luciferase system adapted to 10–20°C oceanic conditions. Thriving on decaying lignocellulosic detritus in Abyssal Ocean Gardens, it belongs to Agaricales, likely a novel family within 'Arboreal Aurantica.' Spores disperse passively via lamellae aided by water currents. Its extensive mycelium decomposes organic matter, sustaining nutrient cycles, while its immobilized, coral-mimicking form aids camouflage and ecosystem integration.