They all died slowing the fallen army down outside the City so they could prepare for the attack. Since the Battle of Twilight Gap didn't officially start and their armor was lost to the wilderness, the only hunter armor incorporated into Gjallahorn was the Wolf Head on top of the weapon taken from Crest of Alpha Lupi . The wearer was Ana Bray who managed to get back with her last remaining fireteam and return to the fight and die for the City. Boom, Bang, Bam. Put that into your lore, Bungie!