Does anyone know when it's beneficial to put a low level alt in your main exp group? I was leveling up a healer for my 5 box using a 60 warlock pet with druid buffs. It was very fast to about 25. Then i logged in my 45 shaman and tagged mobs that were 36+ with the healer.

It's been faster than normal for sure, but by no means blazing. At 35 I tried just letting 3 level 60's and a level 56 carry in ST, but the 35 was only getting like 60 exp per kill. I was hoping to get into dungeons asap because open world tap leveling is a major pain right now. I feel like there's been something talked about with killing mobs that aren't 10+ levels over you but I can't find anything detailing it.

He's 39 now, I'm probably going to grind out this level then test out ST again at 40 and see what the exp gains are. I'm sustaining 35k ish an hour right now depending on pvp, so ideally I'd be able to maintain those kind of exp gains.