Elpathion's Lighthouse Control - Wall of Despair is a Lighthouse technique of Elpathion, a vice Commander of 4th Army Corp in Zahard's Army. User commands Lighthouses to emit a pressure from every each of them in the direction of a target to keep it in place.
Elpathion used this technique to subdue Evankhell and her flames, but it appears to not work well against one of the top High Rankers.[1]