Rounding up all the Tieflings you need for the No One Left Behind achievement in Baldur's Gate 3 can be quite taxing but here is a list of everyone you need to save per Act.
Remember that you shouldn't play The Dark Urge origin in order to make sure you don't kill someone on accident.
Act 1
- The first Tiefling you need to save is Nadira. She is found on the eastern part of the outer ramparts in the Emerald Grove. When you meet her, a Bugbear assassin will attempt to kill her. Stop him to get the credit
- Save Arabella from Kagha's snake by using Persuasion, Intimidation or Detect Thoughts (Wisdom) check
- Save Mirkon from the harpies at the beach. Go past Alfira's place where she sings and down the path to the beach. Bring Sanctuary and cast it on Mirkon so he doesn't get killed
- In Emerald Grove jail, talk the Tieflings out of killing the Goblin prisoner
Act 2
- Make sure no Tieflings die during Marcus' attack on the Last Light Inn. Also, don't let Isobel get kidnapped to prevent literally everyone from dying
- After the assault, Mol will disappear and other kids will ask you to find her. Take the quest
- Talk to Rolan at the bar about his missing siblings. Complete the quest Harpers at the bridge offer to get full shadow curse protection by liberating the pixie. Go to Moonrise Towers jail and bring a hammer. Talk to the Tieflings and Gnomes in the cells, pass a Persuasion check when the guards confront you and then go behind the cells. Break down the walls and follow them all to the boat to return to Last Light Inn. Talk to Lakrissa or Alfira inside the Inn to get a reward and credit for saving them
- Talk to Rolan's brother and sister at the bar to figure out he went out looking for them on his own. Now you have to save Rolan. You can locate him near a bridge south-east of the Tollhouse, fighting two Shadows. Save him and he will go back to the inn on his own.
- Locate Arabella in the House of Healing and save her. She will ask you to find her parents but you will soon find out it's too late. They don't count for the achievement so you're good
- Complete Finding the Nightsong quest and liberate her
- Confront Ketheric, fight him, follow him into the Illithid Colony. Find Zevlor and other prisoners in the pods, release them, fight the incoming enemies
Act 3
By the time Act 3 kicks off, you should already have the achievement. The Tieflings made it to Baldur's Gate and some will be grateful while others will grovel at their masters' feet and attempt to kill you. Don't feel bad about wrecking them in self-defence.
Saved Tieflings' locations are as follows:
- Mattis and other thieves are in the Rivington refugee camp
- Alfira and Lakrissa are in the Elfsong Tavern in Lower City
- Rolan is in Sorcerous Sundries
- Mol is in the Guildhall, the headquarters of The Guild
- Arabella joined your camp and has already embarked on her own adventure by this time
- Zevlor will join in the final fight





















