The ''Beginning the Final' and 'Coliseum Combatants' quests are both really good for getting Legion Tokens. Also, bots for both those quests can be found on Le Bot. I don't know exactly how many Tokens it can get you in a hour but I know its quite a bit. Also, if you reach 1K Legion Tokens you can buy the Exalted Legion Champion armor. This armor allows you to access a quest from Dage than can get you approximately 70-90 Legion Tokens an hour.