Descend to the Middle Sewers from the stairs and try not to step in anything unpleasant

Descend to the Lower Sewers from the stairs even though the smell only gets worse from here

Leave the Lower Sewers behind and enter the Upper Dwarven Ruins

Descend from the Upper Dwarven Ruins into the Middle Ruins and the abandoned camp

Descend from the Middle Ruins into the deepest halls of the dwarves

Defeat the Dark Mage in the Lower Dwarven Ruins without moving from the spot where the battle began

Leave the Lower Dwarven Ruins behind and enter the Upper Reaches

Pass the Drow patrol in the Upper Reaches without combat by offering a suitable bribe

Descend from the Upper Reaches into the domain of the Drow Outcasts

Descend from the Drow Outcasts' domain into the Lower Reaches

Leave the Lower Reaches behind and enter Xanathar's Outer Sanctum and the Mantis Hive

Keep your word and reunite Keirgar with his people

Descend into the Lower Reaches of Xanathar's Outer Sanctum and face the dungeon's deepest secrets

Heal the dwarven king and bring renewed hope to the ruined stronghold

Enter Xanathar's Inner Sanctum and confront the Crime Lord himself

Defeat Xanathar in direct combat within his Inner Sanctum

Outwit Xanathar and bring about his downfall without a direct battle

Resurrect and recruit the halfling rogue Tod from the sewers

Bring the fighter Anya into your ranks and let her strength tip the scales

Have the dwarf Taghor join your party's cause

Recruit Dohrum the dwarven fighter and let his courage bolster your ranks

Gain the aid of Ileria, the faithful half‑elf cleric

Recruit Beohram seasoned warrior of the dungeon depths

Add the stalwart Kiergar to your party's ranks

Recruit Tyrra the ranger and call her keen eye to your cause

Find and recruit Kirath the mage

Discover the sewer's hidden secret and transform a dagger into Guinsoo +4

Recover the deadly Backstabber +3 favored by assassins of the Underdark

Recover the Drow Cleaver +3 from the dark stronghold below

Recover the mighty Chieftain Halberd +5 a weapon fit for a conqueror

Recover the Slicer +3 and let your enemies feel its razor-sharp bite

Recover the blade Night Stalker +3 in the shadowed depths

Recover the legendary Severius +5 one of the most powerful swords in the realms

Recover Slasher +4 on the final descent into darkness

Recover the lethal dagger Flicka +5 masterwork of silent execution

Learn every Mage spell available beneath Waterdeep with any of the main heroes

Collect every map from each level of the dungeon and chart the entire undercity beneath Waterdeep

Complete every special quest hidden on each level of the dungeon

Discover the Stone Dagger and unlock the secrets of the ancient stone doors

Discover the Stone Scepter and unlock the secrets of the ancient stone doors

Discover the Stone Medallion and unlock the secrets of the ancient stone doors

Discover the Stone Necklace and unlock the secrets of the ancient stone doors

Discover the Stone Ring and unlock the secrets of the ancient stone doors

Discover the Stone Symbol and unlock the secrets of the ancient stone doors