the game is so DPS bias. Healers can't possibly kill as fast as other classes, so if you're healer you're better off grinding dungeons. I don't do quest as my healer i only do the one's to get my aether current and the level requirements of Heavensward main quest is ridiculous, it literally goes from "you have to be level 55 to do this quest" to all of a sudden "you need to be level 57 to do this quest" quickly. So the game almost forces you explore the other content