The Lost Symbol - Season 1eps10 May 2026

: Mal'akh takes Katherine to the tunnels beneath the Washington Monument , planning to use the "Cascade" resonance device to achieve apotheosis (becoming a god) through a ritualistic human sacrifice.

: Robert and Katherine decide to take their relationship slow, with Robert returning to his academic life at Harvard. The Lost Symbol - Season 1Eps10

: Robert Langdon intervenes, shattering Mal'akh’s delusions by revealing the true nature of the "ancient wisdom." In the ensuing struggle, Katherine stabs Mal'akh with his own sacrificial dagger to save Robert, and Mal'akh dies in Peter’s arms. The "Lost Symbol" Revelation : Mal'akh takes Katherine to the tunnels beneath