As always, awesome update.
Out of all attacks that need to be reworked, in my opinion, is totally the one with where knives come from above and below- at least for me, it's the hardest one to adapt to by far.
But like.. how is it that EVERY "explanation" in these comments on how to find the secret room either makes no sense or doesn't help at all..
Edit:
I believe I have found the method.
HOW TO FIND THE SECRET ROOM / AREA AND ATTAIN THE EGG
You must constantly move back and forth between the Room with the ENTRANCE of Nebby's shop (DO NOT ENTER HER ACTUAL SHOP) and the Hallway with Chara's room. It's a very low chance of happening, but you will eventually be teleported to the area below.
Walk up, you'll find a tree. Go behind it, and interact with it. Dialogue should start.
Again, walk up, and you'll find another tree, and again, go behind it, interact, and dialogue will continue.
Then, go up once more, then right. You will be moved to another area with a gate. Interact with it, and cross the bridge. Keep walking down a path, and past the withering trees. Once you have passed the trees, go up and there is one final tree to go behind and interact with.
Once this is done, you receive the egg. It is in your "key" inventory. It can be cracked open.