"Baldur's Gate 3" guide to where the Underdark is, let's take a look. Whenever the game version is updated and new content is added, that’s when players need help the most. It’s too slow to figure it out on your own, so let’s take a look at the most detailed guide.
1. Method one
Go straight down from the Goblin Temple of Selun.
2. Method two
From the Spider Queen's cave, use Featherfall to jump down into the pit.
3. Method three
Enter the poisonous tree from the hag house fireplace, climb up and pass through the hidden door and transmission circle.
4. Method four
Take the path of advancement, rescue the two archers trapped in the cave, get the code word, and go to Woking's resting place to enter the Zhentarim. Just go up to the second floor and get off the elevator.