I am the King of Double Posting

[@Airalin]
OR if its a dungeon where nothing significant will happen until a Boss fight or something, I'll give the players the option to "skip". In which case, similar thing will happen, you all arrive in the Boss room instantly, maybe with some loss in health and mana but overall in decent condition. 
HOWEVER, if players decide to skip when its dangerous to do so, I might decide to drop you guys in a Boss room with low HP and MP. It indeed is a low-mercy. But it'd have to be fairly obvious for this like "hurr durr guys let's skip to the boss of this dungeon that's meant for Level 50 when we are only Level 20s"