Vash’s twin brother, Millions Knives , makes his chilling formal entrance, signaled by the sound of a piano playing in the middle of the desert.
Trigun Stampede Episode 3, titled is widely regarded as a pivotal "wham episode" that shifts the series from a lighthearted space western into a visceral horror drama. Episode Summary
In a display of overwhelming power, Knives wordlessly mutilates his own subordinate, E.G. Mine, and systematically slaughters the townspeople while Vash watches helplessly.
The culprit is revealed to be E.G. Mine (formerly known as E.G. Bomber), a psychopathic criminal who claims to be "stealing to kill" rather than killing to steal. Vash, Meryl, and Roberto work together to neutralize him and deactivate the remaining bombs.
The episode opens in Jeneora Rock, where townspeople are celebrating the resolution of a plant robbery. This peace is shattered by a swarm of self-propelled, insect-like bombs that begin detonating among the residents.