Current questions and answers regarding the map editor.

I have a problem: I created lakes, rivers, etc., but I can't figure out how to make slopes down to the water to summon ships, etc. Please tell me where that button is.)))
And one more thing. When I created a map in Heroes 3, instead of a Dungeon, I added open areas at the top, i.e., the transition to the so-called Dungeon was through a two-way portal at the very edge of the map; the hero jumps into it and appears on the same grass or snow on the other side, but further away... This idea significantly expands the open areas at the top, which are sometimes very lacking. So, is it possible to do this in Heroes 5? There, the Dungeon is very specific...