Alteisen Nacht is a powerful mecha from the Super Robot Taisen (Super Robot Wars) series, specifically an upgraded black version of the original Alteisen. Piloted by Kyosuke Nanbu, Alteisen Nacht features enhanced armor, increased firepower, and advanced weapon systems, making it a formidable unit in battle. In the series, it plays a crucial role during key missions, standing out for its signature Revolving Stake weapon and its ability to turn the tide of combat with brute strength and resilience.