The lockout system on Coil is BS.

As Coil is the only endgame worth doing right now, it's pretty dumb to have a group of more or less than 8 people playing the game with you.

Have 10 people in your group that are ready and willing to do coil? Well screw you, because 2 of them aren't going to get to go with you each week.

A simple solution would be to change the loot system from direct drops to currency, then instead of locking people out of the dungeon on completion, lock them out of rewards. Have you completed Turn 1 this week? Then you can help a friend with Turn 1 so he can get the currency, but you're not allowed to receive more currency this week. Comparatively, the lockout right now, I imagine, is mostly to prevent people from rotating one person and having them receive 2 whole pieces of gear.

Honestly SE, do something. Your endgame needs work. It's completely vertical and this lock-out crap on Coil is just NOT okay on a weekly timer.