There are almost 400 characters in Lego Star Wars: The Skywalker Saga that you can play with and you can unlock these characters by playing through the story of the game. By completing different episodes of Star Wars, you unlock many characters and their different versions too. You can buy them with studs in the characters menu under the 9 classes tabs.
Unlock Luminara Unduli
To unlock Luminara Unduli you have to do a side quest, she cannot be unlocked by playing through the story or Star Wars episode. In order to unlock her, you have to go to Coruscant. You have to talk to the Transport Officer which would be in the Federal District near your ship. Just go talk to him and a side quest named “Taxi Unfair” will start.
After accepting the quest, Find the thieves of the Taxi and bring it back to the Transport Officer. The Speeder Taxi would be in the Coruscant and there would also be thieves that you have to fight. So, after defeating them return the Speeder Taxi to the Transport Officer and you’ll unlock the Luminara Unduli character.
Luminara Unduli character can be bought from the characters menu under the Jedi Tab and the price of the character would be 100,000 studs.
Check our complete guide for Lego Star Wars: The Skywalker Saga here.