Underdark Campaign

Drizzt Do'urden and his companions are trying to stop hordes of unbound demons wreaking havoc through the Underdark and Overrunning the surface world. ''No longer confined to the Abyss, demon lords have been sighted throughout the Underdark. At the heart of the corruption lies Demogorgon, Prince of Demons. Drizzt plans to stop him, and needs your help.''

The Underdark Campaign is a campaign, an interlocking series of quests, dungeons, tasks, and rewards introduced in Module 8: Underdark on November 17, 2015. The campaign can be started at level 60 with a series of quests written by R.A. Salvatore called Dwarven King Quest Arc. The campaign is set in the Underdark and introduces popular characters of the D&D universe such as Drizzt Do'Urden and Bruenor Battlehammer. Unlike previous campaigns, this campaign is focused on completion of Demonic Heroic Encounters, skirmishes and raid encounters in order to get the required currencies.

Campaign outline

 * Dwarven King Quest Arc: written by R.A. Salvatore, these quests introduce characters and background of the Underdark Campaign. It can be started by any character who reached level 60.
 * Introductory Quests: Into Mantol-Derith, Ichor and Faerzress, The Prophecy of Madness, Surface World Problems, The Throne of the Dwarven Gods, To Slay a Demon Lord
 * Demonic Heroic Encounter: there are 3 types of encounter, Demonic Closure, Demonic Escape and Demonic Slaughter. The encounters can be found in several maps: Dread Ring, Icewind Pass, Dwarven Valley, Well of Dragons and Stronghold. Each encounter rewards, and  in different amounts depending on the number of players (<3 yield a bronze reward, >3 and <7 yield a silver reward, >6 yield a gold reward). If enough players are participating, an additional encounter spawns immediately after completing any of the three encounters, which allows the players to kill a powerful demon for additional reward.
 * Skirmishes
 * Throne of the Dwarven Gods: the skirmish takes place in the throne hall where the initial quests series has ended. There are two possible variations, which are randomly chosen upon start of the instance
 * Prophecy of Madness: the skirmish takes place in the halls of Gauntlgrym. There are two possible mechanics, which are randomly chosen upon start of the instance


 * Raids
 * Demogorgon: this 10 men raid will allow players to banish Demogorgon.
 * Epic Demogorgon: a more challenging version of the Demogorgon Raid.


 * Tasks
 * Processing Faerzress: it is the most important task in the campaign. It allows the players to process the they obtained and eventually reach enough to obtain a boon. It requires 200  and 18 hours.
 * Create : this task creates a key to open an extra treasure chest in the two skirmishes, Prophecy of Madness and Throne of the Dwarven Gods, as well as the Demogorgon raid. It requires 150 and 20 hours.
 * Unlock Epic Demogorgon: this task will unlock the Epic Demogorgon fight and give you Greater Demonic Key. Once you have done this task it will be available for all other characters on your account from the start of the campaign. You won't need 10 days of progress and you won't be required to do a normal Demogorgon fight. It requires 100 and 10 seconds.
 * Create : this task creates a key to open an extra treasure chest in the Epic Demogorgon fight. It requires 300 and 20 hours. It is repeatable. This task is also unlocked by having another character on your account complete the Unlock Epic Demogorgon task.
 * Gather Stronghold Supplies: this task will reward you with a small pack that will give you a choice of Stronghold Vouchers from,  and . It requires 600 , 150  and 20 hours. It is repeatable.
 * Astral Diamonds Conversion: this task will convert a quantity of  into 4000 rough astral diamonds. It requires 600 , 150  and 20 hours. It is repeatable.

Boons
As in previous campaigns, there are a total of 5 boons available.


 * Faerzress Exposure: available after processing  3 times, you can chose between
 * Primordial Vitality: +400 Defense and +1600 hit points.
 * Primordial Might: +400 Power and +1600 hit points.


 * Faerzress Suffusion: available after processing additional  4 times (7 in total), you can chose between
 * Primordial Regenesis: +400 Life Steal and +1600 hit points.
 * Primordial Focus: +400 Critical Strike and +1600 hit points.


 * Drow Hunting Technqiues: available after processing additional  7 times (14 in total) and by possessing, a special item that drops rarely from Demonic Heroic Encounters and can be bought from other players through the Auction House. You can chose between
 * Drow Meditation: +1200 Regeneration.
 * Drow Ambush Tactics: Combat Advantage Bonus damage is increased by 10%.


 * Dwarven Spelunking: available after processing additional  7 times (21 in total) and by possessing, a special item that drops rarely from Prophecy of Madness (Skirmish) and can be bought from other players through the Auction House. You can chose between
 * Dwarven Footing: Control Effects will now have a 5% shorter duration when applied to you.
 * Dwarven Stamina: You now regain Stamina 5% faster.


 * A Touch of Madness: available after processing additional  14 times (35 in total) and by possessing, a special item that drops rarely from Demonic Heroic Encounters and can be bought from other players through the Auction House. You can chose between
 * Demonic Domination: gain 25% Control Bonus versus demons.
 * Abyssal Tenacity: Demons do 5% less damage to you.
 * Demon Slayer: gain a chance to slay lesser demons outright. This chance runs form 0-5% depending on the demon's remaining hit points.
 * Abyssal Strikes: gain +10% Damage versus Demons.

New Gears and Rewards

 * Underdark Rings
 * Twisted Weapon Set
 * Dusk Armor set
 * Drowcraft Armor set

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