. "* Duel Eknham"@en . "History of location is unknown."@en . "Sedas"@en . "3550"^^ . "History of location is unknown."@en . . "Sedas"@en . . . "Penal Institute of Mental Health \nThis was a mental health facility for the criminally deranged. Prisoner Duel Eknham once staged a brutal breakout attempt, killing several staff members shortly before accepting a place in the Sinestro Corps."@en . "New Earth"@en . . "Green Lantern Corps Vol 2 #23"@en .