Full list of all 58 Neverwinter (HK) achievements worth 1,110 gamerscore.
The base game contains 48 achievements worth 1,000 Gamerscore, and there is 1 DLC pack containing 10 achievements worth 110 Gamerscore.
Reach level 60 with one character
Defeat 1000 Undead
Complete the quest: The Edge of the Underdark
Complete the quest: The Icy Guardian
Complete the quest: Scoundrel's Retreat
Defeat 500 Bandits
Complete the quest: The Shadow Falls
Reach level 30 with one character
Equip a mount
Complete the quest: Plague Tower
Equip an artifact
Collect a companion
Learn about invocation
Reach level 10 with one character
Complete the quest: Cornering Karzov
Complete the tutorial
Take a leap of faith
Defeat 500 Aberrations
Defeat 500 Devils
Defeat 50 Dragons
Defeat 500 Drow
Defeat 500 Foulspawn
Defeat 50 Giants
Defeat 500 Goblins
Defeat 500 Kobolds
Defeat 500 Lizardfolk
Defeat 500 Lycanthropes
Defeat 500 Orcs
Defeat 500 Spiders
Defeat 500 Trolls
Defeat 1000 Dragons
Complete 10 normal dungeons
Complete 25 epic dungeons
Reach level 60 with 2 characters
Discover all Scrying Stones in 14 zones
Collect 250 pieces of lore
Learn all about the Barrows
Stand eye to eye with your greatest fears
Earn 50,000 Astral Diamonds
Complete the quest: Fists of the Warband
Complete the quest: Grimstorm Keep
Complete the quest: The Clockwork Guild Tomb
Complete the quest: The Sanatorium
Complete the quest: The Drowned King
Complete the quest: Source of Corruption
Complete the quest: Temple of the Primordial
Complete the quest: Illithid Enclave
Defeat 1 Beholder, 1 Gelatinous Cube, and 1 Mimic
Defeat Tiamat
Complete the skirmish, The Shores of Tuern Epic
Complete the dungeon, Epic Lair of Lostmauth
Complete the dungeon, Valindra's Tower
Complete the dungeon, Malabog's Castle
Complete skirmish, Kessel's Retreat
Complete the dungeon, Epic Gray Wolf Den
Complete the dungeon, Epic Temple of the Spider
Complete the dungeon, Epic Cragmire Crypts
Reach Level 70 with one character