I made an insert to put everything Atlantis Rising, including Monstrosities expansion and Orator promo, in a single box, with no lid lift. It fits sleeved cards (Mine are all sleeved with Swan PanAsia thick sleeves), but it's a tight fit in some of the holders (thicker sleeves may not work). I designed everything in Fusion 360; the file is included if you need to make any adjustments (please upload a remix if you do!). There's a lot of stuff to fit in the box, so I had to forgo more finger-grips than I would prefer. However, it all fits, and I think it's still relatively easy to get everything in and out of the box.
For the two main card boxes, one is split evenly, and one is split offset. The evenly split one contains the library on one side, and the “difficulty toggle” misfortunes on the other (calm seas and various flood types). In the offset box, I have all the standard/special misfortunes on larger side, and all the “modular” (scenarios, solo library, etc) cards on the small card. This breakout works for me, but feel free to experiment and/or change the files.
Note: I based this on the “Monstrous: All In” pledge level in the Monstrosities Kickstarter (plus Orator promo); I don't know if slight differences exist in previous printings.
The author marked this model as their own original creation.