Devoted to Prospero is a beneficial modifier you can encounter in Path of Exile. It’s definitely a good thing to come across!
Here’s a quick rundown of what Devoted to Prospero does:
Overall, Devoted to Prospero is a great way to boost your rewards while exploring the Necropolis. Keep an eye out for it!
Defeat Rare Monsters with any 7 of the following types of Devoted Modifiers
Devoted Modifier Chance atlas skill: The Lantern of Arimor has 10% increased chance for Devoted Modifiers. Devout Pursuit atlas notable: The Lantern of Arimor has 30% increased chance for Devoted Modifiers.