When you reach Arcane Tower while exploring, you will find that the basement wall is locked. Follow this guide to learn how to unlock the Arcane Tower basement wall in Baldur's Gate 3 and get into it.
To complete rescue the trapped man quest, you will have to find Miri. Follow this Miri finding guide to get her location and quickly complete rescue the trapped man quest in Baldur's Gate 3.
You can pickpocket and steal in Baldur's Gate 3 will help you get items like money, keys, and other items. Check out how to steal and pickpocket items in Baldur's Gate 3