It is but remember, you can have a companion with you...and if u do, remember to equip and train him/her.
Also you can go level a bit more to get new skills if one area is too difficult, or have someone drop in and help (though that will scale up the difficulty).
On a different topic, son told me tonight to turn down the gamma on my computer and in the game and I'd still be able to see and it wouldn't strain my eyes so much. So I'm passing on his advice
