The cool thing about how tibia did their map, is you could find "hidden" spawns, quests, and other things all over the map.
The cave leading to the level 20 Desert Quest has some pretty dangerous areas (and even traps) in it. But the level 20 quest itself is easy if you know the way. People STILL die doing the Desert Quest because they go down that hole with the Orc Berserkers by mistake.
Your way, its basically an Evo Server without the teleports to spawns that say "This spawn is for level 8-15. This spawn is for 15-30. etc. Which to me, is boring. It means you'll never run into a hard monster, or unexpected encounter unless it was on purpose. Which is bad game-design for an open-world MMORPG/"