I am DMing Lost Mines of Phandelver, and it's looking like the party wants to keep the cave as a base to replace the BBEG and turn evil.

Main question is: if I decide to let them fix up the forge of spells after a few quests for parts, what level / how challenging should this be?

I love the rule of unintended consequences, but am not sure of any down sides.

They let Sildar fail his death saves and bleed out while writing a letter of recommendation for a bugbear. So, yeah, evil.


closed as primarily opinion-based by GreySage, guildsbounty, Wibbs, goodguy5, Slagmoth Dec 31 '18 at 18:38

Many good questions generate some degree of opinion based on expert experience, but answers to this question will tend to be almost entirely based on opinions, rather than facts, references, or specific expertise. If this question can be reworded to fit the rules in the help center, please edit the question.

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    \$\begingroup\$ Hi, welcome to the RPG Stack Exchange. Unfortunately, idea-generation questions are a pretty poor fit for our format here. The Stack works best with questions that have a definite answer...either based on personal experience, an understanding of the rules, etc. If you have a specific problem you're trying to solve, this is a great place for it...but if you need help coming up with ideas, perhaps a forum or Reddit would be a better place. \$\endgroup\$ – guildsbounty Dec 31 '18 at 18:18