The strongest solo tool the Sorcerer has, is pets + Ward.. they can even solo Trial bosses with that. I don't think "boring" is a reason not to use the most powerful PvE tool available when you're stuck in PvE.
Yeah being VR3 in Reaper's March seems like you skipped a lot of stuff. Even with my main, doing every quest in a zone (and even skipping dungeons) and sometimes avoiding mobs he would get one Veteran Level per zone.
With an alt (and now 10% xp bonus) he is VR3 and just finished Auridon, so is early into the second zone. But I love playing him and he kills stuff fast, I will go out of my way to down a few extra mobs here and there. I want to outlevel the zones getting him up to VR14.