you can just open wiki page and read. You know what you can expect from game
ouch, we starting about instadeath when I mentioned ADoM )) of course you can download a big ADoM spoiler manual and read - and you know what can you expect from game :P
Without a lot of spoilers any rogue-like game need a dozens of fiasco. You start the game, die, try again and again, and die again and again ))) It's ok.
even with spoilers, even with experience - we still can die and not once