a more advanced version of force light A Wall of Light was an immense Force power used by Jedi. Though similar to the Jedi ability Force Light, this ability was unique in that it required the collective focus of multiple Jedi, simultaneously channeling their Force power into a single, devastating attack. Using the light side of the Force, the group of Jedi could create a wall of lightside energy, that effectively traps the dark side spirit or taint within a specific location. When used against an individual, the power was similar to blocking one's connection to the Force, and could either be a temporary confinement or a permanent blockage. This ability required a great concentration of light side power, as it could have potentially deleterious results. as it was used on exar kun to defeat him on yavin during the war.