I was level 20 exactly when I fought the void dragon, gaining level 21 from the kill. I may have missed some quests (quest XP is kind of pathetic), but I killed every hostile mob along the way and even made sure to clear out both sides of hunters edge. The void dragon was also level 20. There were plenty of underleveled enemies along the way though, which probably need to be brought up rather than bringing the players down.
As for the merging, I would work more towards making each skill more interesting. The only things that I personally think should be merged are crafting and blacksmithing, since they seem to be both required to do basically the same thing and it's not even clear which one you need for a given task (did you know it requires crafting to make plate boots but blacksmithing to make plate chest armor?). Maybe lockpick and pickpocket too, especially since pickpocket often leads to getting keys.
Generally, I would like to put some combat functionality into non-combat skills. Add crit chance to lucky charm, make loremaster a requisite for the "examine" function, telling you more information about the enemy, sneak needs to be viable again (didn't deserve the nerf to begin with, given the other damage mechanics). Charisma could add a bonus chance for Charm spells to work (which need a nerf anyway, so this would bring it back up to useful after the nerf) maybe even a random chance to charm an enemy when they attack. I don't have ideas for everything currently, but this is the direction I would be going.
Last edited by Sotanaht; 07/11/15 10:27 PM.