Arcane: League of Legends Episode 6 When These Walls Come Tumbling Down Episode Title: When These Walls Come Tumbling Down Episode Description: After Viktor collapses in the lab from his illness, he and Jayce begin to study the "Hexcore", a new Hextech machine that reacts to organic matter and has the potential to cure it. Heimerdinger tries to have it destroyed due to its danger, prompting Jayce to orchestrate his removal from the council. Viktor approaches Singed, his childhood mentor, to help perfect the Hexcore. Singed intuits Viktor's dire state of health, and provides him with a variant of Shimmer to help him. Silco, now aware of Vi's reappearance, orders Marcus to kill her and Caitlyn before they can resurface in Piltover, and blockades the bridge in order to intercept them...