killua zoldyck with mask, techwear, streetwear, cyberpunk style outfit, greg rutkowski, artgerm, ross tran, conrad roset, takato yomamoto, ilya kuvshinov, intricate complexity, detailed portrait, 4 k, cinematic lighting, volumetric lighting, sharp focus, smooth, hd, hdr, ue 5, ue 6, unreal engine 5, cinematic 4 k wallpaper, 8 k, ultra detailed, high resolution, artstation, award winning