In the time you do a mona palace run you can do yag loop. In fact you can do a yag before mona/palace is off cooldown. I know this as i used to do it all the time.
This does 2 things. 1 it breaks the monotony and 2 if gives you a chance for your legs,combo books, and other gear depending on class.
Yag is also great fun.
So next time after you finish your mona do a yag.