A rune that can be used to summon one of Oryx's most powerful lieutenants in the Court of Oryx.
― In-game description

An Antiquated Rune is a summoning rune used to activate Tier 3 Court of Oryx events on the Dreadnaught. It can be obtained as a reward from the Weekly Nightfall Strike, King's Fall raid, Tier 2 Court of Oryx events, and Crota's Bane reputation packages. This summoning rune must be charged by successfully completing three Tier 2 Court of Oryx events.