(Unpopular Theory)
"Kurapika is responsible for the Kurta Clan Massacre "
Basically Kurapika's failure to inform the leader about his eyes went red while he was on his mission in human town led to someone spotted him, putting the Kurta village at risk. The Kurta, being nomads, move their village whenever they sense danger. Since the leader was unaware of Pika's incident, they didn't relocate, resulting in unfortunate consequences.😔💔
source : Kurapika one shot manga
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