Baldur's Gate 3 has a wealth of character options, each with its own unique features. You can play anything from a Fighter to a Wizard while you attempt to figure out what the parasite in your head does. If these options aren't enough for you, there is also a hidden Illithid Power Skill Tree. Players can give into the Mind Flayer Parasite in their brains in exchange for additional abilities.
Baldur's Gate 3: How To Unlock The Hidden Illithid Skill Tree
If you want to delve deeper into your Illithid powers in Baldur's Gate 3, this guide can be of use.