As well as my five multiboxing accounts, I have my original account with a variety of single-boxed characters on it, including a 48 Druid, 35 Priest, 25 Rogue and 18 Paladin.

I'm starting to feel that having five shamans has it's limitations and would like to add a tank class to my team, so I'm looking at levelling the 48 Druid to 70.

What is currently the fastest way to boost these characters to 70, without using RAF? Should I take them through instances with four of my 70 Shamans, or just a single one? Any other efficient methods?

I'm currently taking the Druid through LBRS and UBRS with four shamans, but it only gets 100XP from each kill, and that's rested. Once the druid hits 50, I'll take it into ZG instead with all five shamans.

Thanks.