Great work, unicornxp! 6 days is completely conceivable, especially if you minimize the travel time between the islands, and skip a bunch of quests that require a lot of traveling. You also did really great freeing Moro Dark. Black Knights + Splinter of Darkness is wicked - great phys defense and always retaliating unit. Top that up with stone skin and some + crit chance items and you get a very powerful unit that alone can beat up everything around. I can say that for a fact, because I'm doing a fun playthrough on normal with undead-only roster, and I can see that this can work on impossible big time.
Once again, great work and good luck shaving off a day or two from this result in the next playthrough
