"...with the only minor inconvenience of having to kill some desert merchants, using the causeway to peddle their wares, who happened upon me as I was completing my task."— Elder Brother Morbihan(src)
Elder Brother Morbihan is a member of the Alliance of the Dying Sun.
Morbihan came to the Flooded Causeway in Caldeum in order to place a portal. Some merchants who were using the causeway to peddle their wares came upon his work. He killed them with minimal effort, and completed his task.