concept art image of a mysterious knight with a hidden face, shrouded in a dark hood, knight's suit of armor is psychoactive, featuring a magenta breastplate and cyan blue shoulder plates, dark, tattered cloak billows in the wind behind him, adding to the dramatic effect, knight is surrounded by bright green neon flames that illuminate the scene with an eerie glow, his iridescent glowing sword is pointed towards the viewer, exuding a sense of power and menace, dark purple aura envelops him, enhancing his intimidating presence, lighting is low-key, utilizing chiaroscuro techniques to create strong contrasts between light and shadow, overall atmosphere is intense and otherworldly, with the neon and glowing elements adding a futuristic and mystical touch