Create an eye-catching and vibrant promotional poster for the game "m岂 auditory impact" featuring characters from Genshin Impact, mobile games, and anime style characters in dynamic poses with lightning effects in purple tones. The title of the game is prominently displayed at top center using bold text, while the logo ' BANKI' appears below it in white letters on the right side. On the left side there's also a large inscription "D5". In the background there should be a gradient that transitions between light blue to dark violet colors. --ar 41:64