I have confirmed that at least one person in your party must do the slow method first and win for this skip to work. I recommend doing this on sedition difficulty.
(You get the penance and reward for completing it on damnation)

At the start of the mission head over here:

Now each member of you team has to hit the RIGHT bell one time:

You and your teammates should then be teleported to the end fight here:

You have done it! Have fun B)