The @Scarlet Crusade was born from the utter devastation of the northern human kingdoms during the Third War. When the undead @Scourge swept through Lordaeron, murdering King Terenas Menethil and dismantling the Knights of the Silver Hand, a desperate remnant of human paladins, priests, and soldiers refused to abandon their homeland. Banding together under the leadership of high-ranking survivors—including High General Abbendis, Grand Crusader Saidan Dathrohan, and Isillien, a former liaison to the Silver Hand—they swore an unyielding oath to purge the @Undead from Lordaeron and reclaim their fallen kingdom.
Initially, the group operated as a noble resistance movement alongside what would become the Argent Dawn. However, the sheer horror of witnessing their civilization fall into mindless rot sowed deep seeds of paranoia within the leadership. The turning point came during a disastrous attempt to reclaim the ruins of Stratholme. Grand Crusader Saidan Dathrohan was separated from his troops and secretly murdered by the dreadlord Balnazzar. The demon possessed Dathrohan’s corpse, subtly taking control of the resistance and systematically warping its righteous grief into a weapon of blind, fanatical hatred.
Under the demonic influence of the disguised Dathrohan and the increasingly unstable High Inquisitor Isillien, the faction officially broken off from other survivor groups and christened itself the @Scarlet Crusade. Their philosophy shifted from a defensive holy war into a xenophobic campaign of absolute terror. They adopted the striking red-and-gold tabard, symbolizing the blood of their fallen countrymen and the fire required to cleanse the land.
The Crusade concluded that the plague of un-death was not merely a biological weapon, but a spiritual failing. Paranoia became institutionalized; the leadership taught that anyone who had crossed paths with the @Scourge, or even stepped foot outside Crusade-controlled territory, was a potential carrier of the plague or a sleeper agent of the dead. Consequently, the Crusade began executing not just the @Undead, but any living @Human refugees, travelers, or neutral emissaries who entered their domain. High Inquisitor @Sally Whitemane and Herod, the Scarlet Champion, turned the Scarlet Monastery in Tirisfal Glades into a fortress of brutal interrogation, where victims were tortured until they "confessed" to carrying the plague before being burned at the stake.
The @Scarlet Crusade faced absolute annihilation on their home soil when the Lich King unleashed the @Knights of the Ebon Blade. The @Scourge systematically laid waste to the Scarlet Enclave, slaughtering thousands of Crusaders and raising them as the very monsters they had spent their lives fighting.
Driven by a desperate vision from the dreadlord Mal'Ganis—who had infiltrated the Crusade under the guise of Barean Westwind—High General Abbendis ordered the remaining survivors to abandon Lordaeron entirely. Gathering their remaining fleet, they sailed across the Great Sea to the frozen shores of @Northrend.
Rebranding themselves as the Scarlet Onslaught, the survivors established a massive, imposing fortress-city called @New Hearthglen in the Dragonblight and took control of Onslaught Harbor in the Icecrown region. Outfitted with heavy, spiked saronite-reinforced armor and wielding a frantic, apocalyptic iteration of their zealotry, they attempt to wage a two-front war against both @Arthas Menethil and the living forces of Azeroth.