Unlocking the ability to change appearance in Elden Ring Nightreign, so you can try new Nightfarer outfits, is actually quite challenging. In fact, it might be the hardest change appearance option to unlock that I've ever seen in a game, though this is primarily due to the fact that completing expeditions and defeating Nightlords is fairly tough at the best of times.
If you're struggling with the first Tricephalos expedition, you might want some tips to defeat Gladius, Beast of Night—one of the prerequisites for accessing new outfits—or more generally just some Nightreign tips. Either way, here's exactly what you need to do to unlock the change appearance option and change skins for your Nightfarers.
