I did not clear diseases while leveling, which saved some time. Clear diseases and quirks in DD1, Tsplit to sync the changes during 3 Priest fight, then camp. no extra splits for a party before Ruins 1

Old Road: 1:34 enter ruins 1: 3:39 Ruins 1: 8:40 splits off ruins 1: 16:37 prep finished: 19:11 DD1: 32:55 (13:43) DD2: 52:51 (19:56) DD3: 1:02:02 (9:10) DD4-1: 1:07:39 (5:37) (6 cycles) DD4: 1:10:43 (8:41)