A concept map for my Custom Adventure

I know 3.1 is going to be out soon but I don't know when but in case custom adventures are added to the game, this is just a showcase of one of my maps. This Level, which would be called "The Devil's Passage... Again?," would be a level for Episode 3 and the final level of that episode. At first, it's just the same map as in Episode 2's Expert Stage 10 albeit with a few walls but when players see 11, they realize something's off. 11 has a -22 flag handicap just like vanilla Expert. This board is the first phase of the boss Upon clearing that, players would be thrown into the Beginner counterpart of the map but with 63 mines and no walls. This board is the second phase. I failed to beat it but I hope it demonstrates the difficulty I'm trying to create for my custom adventure. 0:00 Phase 1 6:03 Phase 2