The symbol of the Dark Templar in Ze Lartet is that he wears heavy armor, holds a double-headed sickle and uses the hunted Zerg biological bones as decorations. The zerg invasion started this decoration. The color of eyes is green.
Lenosa's dark templar is characterized by being masked and using a light blade called "The Bend of Evil" with one hand. The color of eyes is purple
Zeratul, as the earliest descendant of the Shah Kolas protoss when he was exiled, may be the son before Zeratai and Lenosa were originally divided. There are the types of the former and the customs and costumes of the latter.