You can rescue Zevlor in , provided you follow some conditions and make the right choices. You will encounter this Tiefling Prince near the end of Act 2. Depending on your choices earlier in the game, the quest involving Zevlor may not be available. However, to free Zevlor, you will need to fight some lethal enemies that can instantly kill you and your companions if you aren't careful.
In order to save Zevlor, you need to help the Tieflings during Act 1 of. This means you cannot slaughter the Tiefling group; otherwise, the quest to save Zevlor will not be available later on. Once you reach the Moonrise Towers in Act 2, the quest ties into the events from earlier where members of that group were captured.
Although he will be a prisoner, Zevlor can be found in the Mind Flayer Colony. The Mind Flayer Colony is a secret location that will unlock once you fight Ketheric Thorm for the first time. Thorm will run away to this location once you have done enough damage to him. Pursuing him will lead you to the colony, where you will find Zevlor. If you choose not to rescue him, he will meet a tragic ending in , but if you want to save him, you will first need to battle many Mind Flayer enemies.
The Mind Flayer Colony has many enemies that can force a character to make a Wisdom, Intelligence, or Charisma saving throw, making items like the Helmet of Autonomy good to bring here.
The quest will mark where the Tiefling is on your map as soon as you enter the Colony in. Toward the north section of this area, you will discover all the captured Tieflings at the end of a corridor trapped in Mind Flayer pods. Going to the right reveals a control panel that you can interact with to see what options you have regarding trapped people being
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