High Captain Kyran Meirion

Sir Kyran was the second son of House Meirion. He abandoned his family, who refused to let the young squire join the Fifth Crusade, for the Crusader's Castle. After months of fighting the Infernal Pact, Kyran had become a decorated knight, but the horrors committed by the crusade had touched his soul. He could hardly deny that the Crusade had come to resemble the Infernal Pact itself, committed to torture and punishment. And so Sir Kyran called out to the Hells themselves, and Dispater bid him forth, to see Baator in its demented grandeur, and he saw that it was punishment perfected, a place of endless torment. Baator instantly became an ideal; the Crusade a way to achieve it. As Kyran rose to become High Captain, he was mantled as a Vicar by the Infernal Pact, one of Balder's highest agents, working towards the aims of theNine Pointed Star behind the backs of the Crusade's greatest knights. After being seen arguing with the High Marshal and being found missing during  Ultan's attack on the tourney, Kyran was finally revealed to the Hellknight and was slain by Edmund Trencavel. His death and apparent affair with Isolde Thorne seemed to influence her fall's fulfillment, as she forgot all about her brother's death, the reasons behind it and instead moved to take revenge on the Dawn's Herald utterly. His secret corruption and his hand in the events of Hambor partly influenced Reiner to finally seek an end to his long life. Ultimately, the knight was declared missing, and the true identity of the Hellknight was never publicly revealed. Suffering an accursed death, meanwhile, Kyran was reanimated as the Knight of the Torrent.