Diablo 1 HD Hellfire Mod | Awake

Is it different than in the original Diablo ?

Either way, please explain how set items work. I understand if you get a complete set something awesome happens but don't know exactly what, it's all very myserious.

Also if you have some but not all items in a set, do you still get some incremental bonus?

Is it different than in the original Diablo ?

Set items not exist in Diablo.

Why don't you just collect a few set items and see what happens?

Does it really matter if you have this knowledge beforehand?