[Spoilers, Lost Mine of Phandelver, D&D 5e] I'm DMing.
The party barely failed to catch Glasstaff when they ran through the Redbrand Hideout. Now some time has passed in-game and IRL and they want to make another raid on the Redbrands to take out Glasstaff for real this time. So my first question is, if Glasstaff resumes his research, could he possibly manage to create potions of invisibility like he was wanting? Nothing in the module or online implies how close he is.
In spite of searching fruitlessly for examples of rerunning a map, I have found nothing, especially when it comes to the Lost Mine.
What are some good tips/advice for rerunning a scenario like this, taking these potential plot developments into account?
Edit: I've been taking some leaves from the Hello Neighbor book.