Quoted By:
>bet the game
>beat the afters tournament and the way home story
>host 5 stars (unsure if local or online) and complete them
>after a number, Jacq will call you and say "ohshit, there's black raids that you should totally check out, but not even ATTEMPT to try to beat - hinthint"
Congrats, you now have access to black 6* daily and black 7* event raids (when available).