Mage and Range DPS are much easier to play than melee warriors because of running from target to target (there are some grappling hook later), but warriors are significantly harder to kill.Some merchant sells them with infinite inventory.
For example The Hinterlands starts with 4 lvl and ends with 12 lvl so if you feel its too hard just adventure somewhere else and come back later. Starting Tips & Hints for beginning of Dragon Age: Inquisition Dragon Age: Inquisition its Single Player (with Multiplayer Option) Role-Playing Video Game released on November 18th 2014, for PC Xbox 360, Xbox One, PS3 and PS4.