|Main capital||Icecrown Citadel|
|Other major cities||Naxxramas, Azjol-Nerub, Voltarus, Utgarde Keep, Shadowfang Tower, Stratholme, Drak'Tharon Keep, Scourgeholme, Temple City of En'kilah, Scholomance, Razorfen Downs|
|Base of operations||Northrend, Lordaeron, The Barrens|
|Theater of operations||Azeroth|
|Main language||Common, Low Common|
|Main factions||Vrykul nation, Wolfcult, The San'layn, Cult of the Damned, Nerubians, Horsemen|
|Other Membership||Plagued dragonflight, Drakuru trolls, Rot Hide, Frostbrood, Death's Head|
|Status||Passive, some Active|
天灾军团 Scourge） (又叫亡灵天灾（Undead Scourge） 或是天灾大军（Scourge Army）) 是艾泽拉斯现存的三大不死族群势力 (其它两个分别是 被遗忘者 和 黑锋骑士团)。 它至今依然是是统治这个世界的主要势力。 它最初被燃烧军团所创建并作为侵略艾泽拉斯的先锋军所存在，但天灾军团最终摆脱了它恶魔主子的控制，并在巫妖王的恐怖统治下建立起了以北极大陆诺森德为基础的一股势力。它们的势力不但横跨诺森德，也同样遍及涵盖了洛丹伦北部和奎尔萨拉斯南部的瘟疫之地，甚至延伸到了卡利姆多的一小部分。天灾军团在暗中散播恐惧，在它衰弱前天灾军团甚至可能是对艾泽拉斯最大的威胁。
每名天灾成员在被创造或是被转化时都会携带一枚天灾石。 它可以为携带者提供各种好处，但更重要的是，它可以让天灾领导者可以随时掌握他所统治的每名天灾成员的具体位置和活动。 请注意那些“被转化”的人。那些忠于天灾的通灵师，或是黑暗死灵魔法的使用者，又被称为 The Ebon Watcher 。他们在还活着的时候加入天灾，并最终成为不死族的一员。他们实际上从未死过。不过需要注意的是使用这种方式加入天灾的人最终依然成了死人，而且他们需要承受自己身上腐烂的肉体。
The Scourge appeared many times in the blood elven lands of Quel'Thalas, mostly on the tainted land known as the Dead Scar. The high elf traitor Dar'Khan Drathir, slain during the Third War, ruled the Scourge in Quel'Thalas from the fortress of Deatholme until he was eventually slain by blood elf and Forsaken forces. A few members of the Scourge were seen fighting the Burning Legion on Quel'Danas
After the merging of Arthas and Ner'zhul, the Lich King entered a period of dormancy as he slept and dreamed atop the Frozen Throne. In the meantime, his minions rebuilt Icecrown Citadel as he made his plans for conquest of all of Azeroth. Finally, after several years, the Lich King awoke and unleashed his attack on the unsuspecting world. The forces of both the Alliance and Horde then arrived in Northrend to confront the Scourge on its home soil, until at last they were prepared for a final assault on Icecrown. After facing a gauntlet of the Scourge's most powerful leaders, the greatest champions were able to reach the Frozen Throne to confront the Lich King himself. In the epic battle that ensued, Tirion Fordring used the sword Ashbringer to shatter Frostmourne, releasing the spirits within that then aided the champions as they sent Arthas to his demise. This did not mean then end of the Scourge, however, as the spirits of both Uther the Lightbringer and King Terenas Menethil II had warned that without anyone to control it, the Scourge would be free to destroy the world. As Fordring contemplated placing the crown upon his head (thinking there was no one else who could accept such a burden) the disfigured Bolvar Fordragon appeared and stated that it was his fate to be the Jailer of the Damned. In addition, he said that the world must be told that both he and the Lich King were dead and never know the truth about what had really happened if it was to live free from the tyranny of fear. Fordring then reluctantly crowned Fordragon as the new Lich King, and moments later ice imprisoned the Lich King once more.
By the time of the Cataclysm, the Scourge is little more than a shell of its former power in Lordaeron. The Lich King is dead, the Scourge command structure all but wiped out, and the remaining legions of undead held in check by Bolvar's sacrifice.
Becoming the new Lich King has been a difficult transition for Bolvar and he needs a bit of time to reign in the Scourge. Though the Scourge in Northrend are asleep, the Scourge and Cult of the Damned operating in the Plaguelands are autonomous. There are still sizable Scourge forces in the Plaguelands of Lordaeron who continue to serve their now-dead master. The island fortress of Caer Darrow, home of the Scholomance, is the major Scourge holdout west of the Thondroril River, and their forces can also be found in Andorhal.
Some former servants of the Scourge have found their way into the ranks of the Forsaken. The val'kyr, the winged harbingers of the Lich King, were brought into Sylvanas' fold after the Lich King's demise; the Banshee Queen used their necromantic powers to solve the problem of her people's limited numbers by raising their slain mortal enemies as Forsaken.
After the Shattering, both the Alliance and the Forsaken started making major efforts to expel the Scourge from Andorhal. The ruined city became a warzone between the Alliance under the command of Thassarian, and the Forsaken under the command of Koltira Deathweaver. Araj the Summoner led what remains of the Lich King's forces in Andorhal, their power diminished by the death of their lord. This major conflict in this war effort came to be known as the Battle for Andorhal. The combined forces relentlessly slaughtered these Scourge and ultimately destroyed Araj.
Following the return of the Burning Legion in the Broken Isles, the Lich King Bolvar has entered into a pact with the Knights of the Ebon Blade, where the death knights of Acherus will once again act in the Lich King's name if the Scourge remains confined to Northrend. As part of this agreement, the Lich King has offered assistance to the Ebon Blade to obtain powerful artifacts to use against the Legion. Acherus briefly relocates to Icecrown Citadel, where a champion of the Ebon Blade obtains the shards of Frostmourne to forge into potent new weapons, while directing other champions to obtain similar weapons. Once the artifacts are found, the Lich King grants his blessing to the champions, whose orders are to be obeyed as if they were his own.
Prior to Arthas' defeat, he was at the top of the organization as the Lich King, who sent orders from his ice fortress in Northrend. His direct underlings were liches, undead mages and necromancers with incredible power to spread plague and command undead armies. It is unknown how many liches there were, but Arthas's right-hand lich was Kel'Thuzad, who reigned in Lordaeron and had his hands full fighting the Scarlet Crusade and the Forsaken, the undead who broke free from the control of the Lich King. Kel'Thuzad contained the fight against the Horde and Alliance in Northrend when Naxxramas moved to the Dragonblight prior to his final defeat (or his presumed defeat, as his phylactery was nowhere to be seen after his death). The banshees under his command often led scouting troops to discover new areas to infiltrate, while other important Scourge members included necromancers, responsible for raising and commanding the dead, and the Cult of the Damned, a bizarre group of mortals so fascinated by the undead that they follow them, worship them, even emulate them, hoping to one day be damned as the undead are. They don’t see the foulness and evil, but rather power and eternal life.
Most of the undead reported to a region's leadership of necromancers or liches, who in turn reported to Kel'Thuzad. He reported pertinent information to Arthas. The rogue undead, the Forsaken, were wild cards: the Lich King lost much of his power over the undead before merging with Arthas Menethil. This allowed one of the more powerful banshees, Sylvanas Windrunner, to escape his hold. She freed many more undead creatures, and currently leads the Forsaken from her tunnel complex underneath the former capital city of Lordaeron. While they are not part of the Scourge and do not fall into the Scourge organization, they work along roughly the same lines — kill or otherwise eliminate those that oppose them and dominate the undead. He had many plans for Azeroth, so he couldn't focus entirely on Sylvanas and devote much of his time to 'reclaiming' the Forsaken. A thing to note about the Scourge was that the further from a lich or a necromancer the weaker undead got, the more disoriented they were. They lost the command of the Lich King, but they didn't necessarily become free. Once the will of the necromancer or other controlling force left them, they had no memory of their former selves, and they shuffled around as mindless husks, searching for someone to lead them.
Arthas led the Scourge in Northrend from the Frozen Throne, completely dominating Icecrown. The Scourge's secondary base was the continent of Lordaeron, in the city of Stratholme, Arthas's first conquest. It was a bustling city of 25,000 people,[请求来源] and now it lies in burning ruin. There are few remaining mortals there, except for those of the Cult of the Damned and the Scarlet Crusade. Lordaeron's northern and eastern areas are practically abysmal with the Scourge. Their foul stench permeates the air. Yet the Scourge has reached all areas of the world, dripping down through Khaz Modan and into Azeroth, and even west to Razorfen Downs Kalimdor. Arthas wanted his finger on everything happening in the world, and he had the forces to do it.
With Arthas' defeat and Fordragon's ascendancy as the new Lich King, it is unknown what the new command structure of the Scourge is or will be in the future. Of particular interest is what will happen with the Cult of the Damned and how they will react to the new Lich King, or if they are even yet aware of the change in leadership.
Some creatures of the Scourge are not technically undead, but instead are monstrous constructions created by the science and magical experimentation of the acolytes and necromancers following Ner'zhul. These are constructed creatures fashioned by the perverse experimentation of the Lich King's followers and do not occur in any natural fashion.
Monstrous members of the Scourge are not particularly intelligent, having been created from the leftover pieces of enemies and friends alike. They are, however, very loyal and almost fanatically devoted to whatever task is appointed to them. These creatures are not truly individuals, having little will of their own other than that given to them on creation or through the current descriptions given in their orders.
The members of the Scourge are easy to spot, smell and identify. And it doesn't take much to join. All it takes is to either love the Scourge or be undead and under the Lich King's spell, and you're in. One does not need to do much to be in this organization. Some of the first members were mortals who had fallen in the undead plague. People sickened from the plague and died, only to rise as zombies. This city-razing technique proved to be not as efficient as the Lich King desired, apparently, because he started telling his necromancers to desecrate graveyards and raise up even more members. Only two things seem to separate a Scourge servitor from the Lich King's will: whatever faltering in the Lich King's power allowed the Forsaken to free themselves from his grasp, and destruction of their bodies. Scourge creatures are bidden to do the Lich King's will, and they do this with a blind fervor. The Cult of the Damned is an enigma. No one knows why they do what they do. Whatever the reason, they willfully follow the Scourge, dressing in dark robes, doing their bidding, while helping to spread the plague into more and more cities.
萨萨里安 - 第一位重新加入联盟的死亡骑士。和其他死亡骑士一样，他曾为巫妖王效力。
库尔迪拉·织亡者 - 加入部落的著名死亡骑士。和其他死亡骑士一样，他曾为巫妖王效力。
- 巫妖王（ 阿尔萨斯·米奈希尔）
- 黑暗邪使艾蒂丝 / 光明邪使菲奥拉
With most of Arthas' commanders dead, and his desire to lead a more passive Scourge, it is unclear what command structure, if any, Bolvar will employ. It is noted though that all remaining Scourge posts in Azeroth that continue as a threat are run by the Cult of the Damned, who had retained their will during their service to the Scourge to begin with.
- Boneguard - A group of Scourge members located at the Court of Bones.
- Frostbrood - Elite frost wyrms that were raised from the bones of blue dragons at Sindragosa's Fall. These frost wyrms are now one of the strongest weapons the Scourge have.
- Plagued dragonflight - The Cult of the Damned began breeding a plagued dragonflight within Scholomance as another method of spreading the Plague of Undeath.
- The San'layn - A faction of darkfallen, lead by a host of 'vampiric blood elf princes' who appear to hold influential positions within the Scourge. The San'layn were created after Arthas took the most powerful of Kael'thas' shattered forces into his service.
- 伊米亚 - The elite warrior caste of the Lich King, the victorious vrykul in the battle of ascendance at Jotunheim. They inhabit the city of Ymirheim in the center of Icecrown.
- 诅咒教派 - An organization of the living beings who serve the Lich King. Members are mostly Human, but including all races. The Cult was formed during the opening days of the Third War, when the Scourge was loyal to the Burning Legion, and establishing its foothold on Lordaeron.
- Death knights of Acherus - A death knight order under the command of the Lich King, specifically trained for destroying the Scarlet Crusade and the Argent Dawn. The necropolis Acherus is their base.
- 掠龙氏族 - A vrykul clan under the control of the slumbering King Ymiron. They have taken up residence in Utgarde Keep.
- Drakuru trolls - A small group of hostile scourge trolls found in Zul'Drak. They are led by Overlord Drakuru.
- Rot Hide tribe - Withered creatures that, like many other creatures in northern Lordaeron, were unable to escape the Lich King's Plague. Now a number of them serve as undead minions to the Scourge.
- Valkyrion - A vrykul settlement located in the western area of the Storm Peaks. The frost vrykul of Brunnhildar Village hate them for becoming the Lich King's servants. The Blighted Pool can be found here, where proto-drake eggs are corrupted by hyldnir of Valkyrion.
- Winterskorn clan - A tribe of vrykul that live in Skorn and Baleheim in Howling Fjord of Northrend. They are led by Bjorn Halgurdsson.
- Wolfcult - A mysterious organization that is predominantly found in the Grizzly Hills of southern Northrend. It is led by none other than the Shade of Arugal, who had previously adopted the worgen of Silverpine Forest in northern Lordaeron as his children.
- Quest:Proof of Demise: King Ymiron
- Warcraft 3
- War of the Ancients Trilogy
- Quest:A New Plague
- Quest:A Recipe For Death
- Quest:The Scourgestone
- The Demon Soul, chapter fourteen
- War of the Spider
- Amnennar the Coldbringer: Dungeon Journal
- BlizzCon 2011 Lore Q&A
- Quest:Life's a Lich
- Manual of Monsters, pg. 132-133
- Lands of Mystery, pg. 188