Put some sort of test or something
Ohhh...you want players to "sit a test" before doing content? Like the UTTERLY failed "Proving Grounds" in WOD? The one that helped lose them HALF their playerbase in six months? The one that had players discriminated against and unable to do Heroic dungeons because they 'failed their test"?

I remember that. It was a sick joke...and as had been pointed out REPEATEDLY, it didnt "simulate" a real dungeon because

1 The NPCs were a joke , I did the tank one and the NPC was saying "get these adds off me"..only there werent any, Id killed them all.

2. If you failed it sent you back to the very beginning, it was supposed to 'simulate a real dungeon":..tell me, how many dungeons in WOW or FF 14 when you wipe on one boss, do you have to go back and kill them all again to get to the one you wiped on?

None.

3. It was one of Blizzards gates to content, one of MANY failures over the years, and also was an unannounced gate to do Legendary items.

I remember it well, I remember it alienated so many they quit and never returned.