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A skein is a large collection of clans in the Jiralhanae pack system. The clans are united based on their similar cultures, which can differ significantly from other skeins, including their philosophical and religious attitudes. Each skein is led by a Chieftan and his tribe.[1]

Known SkeinsEdit


A territorial dispute between the Rh'tol and Vheiloth escalated eventually escalated into The First Immolation. Following the war, survivors on both sides would eventually go on to fight the Covenant Empire after first contact. With the integration of the Jiralhanae into the Covenant, the Rh'tol and Vheiloth would fight alongside the Covenant all the way to the Great Schism.[1]

The Vheiloth and Rh'tol remained fierce rivals even into the 26th century, with incidents of violence breaking out among merged packs created by the military with little regard for cultural difference.


  1. 1.0 1.1 1.2 1.3 Halo Waypoint: Universe - Jiralhanae