full body character from head to toe, complete figure, a vibrant digital painting of a male gnome warlock, full length portrait showing entire body including legs and feet, inspired by Dungeons and Dragons, by a talented artist, pale ashen skin with sunken dark rimmed eyes glowing with eerie violet cosmic energy, small and wiry sinister frame, wild unkempt white hair streaked with black, highly detailed dark tattered robes covered in glowing eldritch sigils and cosmic symbols, long twisted staff crackling with swirling void energy and tentacle like wisps, eldritch grimoire chained to his belt pulsing with dark energy, cosmic horror tentacles and void portals swirling around him, an unsettling sinister grin, dynamic menacing casting stance, solid black background, bright vivid saturated