The Kosst Amojan or Koss'moran was a Pah-wraith or group of Pah-wraiths.
It was thought to be a Bajoran legend that told of false Prophets who were cast out of the Bajoran celestial temple. The Bajoran word Koss'moran came from the verb kosst that meant "to be," and amoran, which meant "banished." (DS9: "The Assignment")
In 2374, the Kosst Amojan inhabited the body of Jake Sisko in order to bring forth the Reckoning. The possession was ended after Kai Winn Adami flooded the station with chroniton radiation. (DS9: "The Reckoning")
See also Edit
Background information Edit
According to the script for "The Assignment", the following pronunciations were provided:
- amoran: "uh-MORE-un"
- Koss'moran: KOSS moe-RAN
- kosst: "COST" 
Ambiguity existed as to whether the Kosst Amojan was an individual or another name for the Pah-wraiths. Kai Winn referred to it from an ancient prophecy as an individual in "The Reckoning"; however, in "Shadows and Symbols", the Sarah Prophet referred to the Pah-wraiths that were defeated in that episode as the Kosst Amojan. Furthermore, in the final episodes of the series, Kai Winn herself referred to the Pah-wraiths in the Fire Caves as the Kosst Amojan and it seemed to imply that the Kosst Amojan was in fact the entity that possessed Dukat during his duel with Ben Sisko. It was possible that the individual Kosst Amojan (whose whereabouts remain unknown) entered the wormhole with the Pah-wraiths at the end of "Tears of the Prophets" and subsequently both were destroyed, or the prophecies as Winn knew them in "The Reckoning" were wrong and the Kosst Amojan was in fact the Prophets' name for the Pah-wraiths. Another possibility might be that it was a group of Pah-wraiths.
The only definite appearance of the Kosst Amojan was portrayed by Cirroc Lofton.
The group was originally named the "Koss'moran", and both that and "Kosst Amojan" mean "to be banished", but according to the Star Trek: Deep Space Nine Companion (pp. 389-390), René Echevarria altered the name (with Ira Steven Behr's approval) because he didn't like the "moron" part of the original name.