Originally Posted by
rijn dael
When you have >1 follower with ilvl over the threshold you will see missions appear (eg 615 for the 615 missions that reward 630 gear, 630 for the ones that reward 645 epics, and 645 for the ones that reward raid epics based off your most recent progression).
One follower is not enough to trigger it.
Note that at this stage, if you expect to clear raids week 1, you probably *don't* want to trigger the raid-epic mission - ie, you don't want multiple followers over 645. This is because there is a ~2.5 week icd on the mission, and when it appears it uses your characters current progression. If you trigger it right now, you will get lowest ilvl gear. If you trigger it after clearing heroic you will get a mythic item - even though mythic isn't open yet. I assume for most people that is worth a lot more than gear for 'heroic' farm fest week 1 :P
I would recommend getting your team to 630 now, and sitting on any upgrades beyond that. That will unlock a 630 mission giving a 645 epic, but nothing that will get better by waiting. As soon as you clear heroic week #1, upgrade as many as you can to 645, so you can get the mythic item between then and when real raids start.