Whether you stumbled across the Arcane Tower in while exploring the Underdark or were sent there as part of the «Help Omeluum Investigate the Parasite» quest, you'll need to fix the tower elevator, which is out of power. The elevator allows you to access the tower's other floors, which contain valuable loot and quest items. As a result, it's in your best interest to repair the Arcane Tower elevator and explore the rest of the building so long as you can get past the turrets.
Repairing the Arcane Tower elevator and restoring power to the generator is relatively straightforward if you plan ahead. To accomplish this, choose a character with a jump ability or the Feather Fall spell, Potion of Feather Fall, or Misty Step spell. That character must also have one of the following abilities: Can lockpick, an attack with at least 10 hitpoints of damage, or the Gaseous Form Spell.
Related: 10 Best Spells To Unlock In Baldur’s Gate 3
In order to repair the Arcane Tower elevator, you will need 's Sussur Bloom, which can be found in a small garden outside at the base of the tower. However, getting there will pose a couple of challenges. The first of which is getting past the turrets before the bridge and inside the tower. You will want to take advantage of the game's turn-based mode to combat the turrets. This will help by allowing you to attack or move without the turrets actively shooting you.
If you find you're not doing any damage to the first set of turrets that stand before the Arcane Tower's bridge, simply use electric damage, which is their weakness.
From the Arcane Tower's entrance room, proceed into the tower and work your waytowards the door on the left-hand side. It will have a turret to the right, but as long as you're
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