Cazadores are used as a level ranged barrier in fallout: New Vegas. If you don't know what you are doing, they poison you and you die fast. And they actually exist, but are thankfully not the size of an average man.
Goblins hide in twisty mines, gang up on you, and do melee strikes that keep you from running away or healing yourself, so you flop around angrily, then reload your last save.
And their cheating bless'ed shamen are even worse.
Oblivion is about 10 years old, but I occasionally fall back on it. It runs a little better on the 360 slim, but there are still bugs that can lock up the console.
I've actually postponed turning in my mages guild permission slip because mom wants to see a particular wizard die, and I aim to oblige her tomorrah..