The Right Way To Fudge (D&D 5e)

When and how should the the GM fudge an encounter?  New and experienced GMs alike will find the advice in this article useful. In this system-neutral article Jeremy Lewit discusses the reasons and the methods, and provides advice on the right way to fudge. Should you alter the enemies, change the goalposts, or add new challenges? This article may include references to different game systems as a cross-system article.

Illustrated by Savage Mojo.