The Breen energy dampening weapon was based on a forgotten Tholian type of technology. (WizKids module: Tactics) Samir al-Halak had heard rumors of the Breen's development of a new weapon designed to dissipate focused phased energy in 2336. (ST - The Lost Era novel: Well of Souls) The Klingon ship IKC Ki'tang was not affected as its tritium intermix chamber had been modified. Several weeks later, Kira Nerys and the Cardassian Liberation Front hijacked a Jem'Hadar attack ship for Starfleet to analyze its energy dissipators. (DS9 episodes: "When It Rains...", "Tacking Into the Wind")