I've gotten several gladiators to Juggernaut but seem to be getting they there too quickly (too low a level).
At levels 17&18 I'm getting to Juggernaut, when I try to use challenge, I find most every gladiator on the list has AT LEAST 5 levels on me.
What do I need to do t be a higher level before I get to Juggernaut?
Is there a way to get EXP other than Tavern and Arena?