[quote]Sadly, I have never played Diablo, so I'm going to need a bit more clarification.[/quote]set items are green and = to legendary items which are the best, I guess you can say they are kind of like raid set gear but all have an exotic look to them. Also special upgrades to your character when you have an entire set equipped.

Okay, so, stat boosts are applied when wearing full sets of armour, correct?

[quote]Okay, so, stat boosts are applied when wearing full sets of armour, correct?[/quote]yes, and some other special upgrades ones that help or ones that are for vanity.