Create an intense J-rock track in the key of E minor for an anime opening, with a dark and energetic vibe. Incorporate powerful electric guitar riffs, dynamic drums, pulsating synth melodies, driving electric bass lines, and dramatic strings to add depth. The tempo should be fast-paced to keep the listener engaged and evoke a sense of urgency and excitement., Rock, Dark, Energetic, Electric Guitar, Drums, Synth, Electric Bass, Strings, Fast,