Echo walks into an abandoned building to confront the elusive Sable Shadow, confident she’s catching a fading villain. But what begins as a dominant display turns into a horrifying reversal as Sable reveals her true power—draining Echo’s strength and turning her own might against her. Trapped, beaten, and on the brink of captivity, Echos mission collapses into a desperate fight for survival with her freedom—and future—hanging by a thread.