What's the difference between FotM 10/19?
Mobs do slightly more damage/have slightly more health.
It’s a fairly minor change, but it is somewhat noticeable. I’ve seen groups fail at 16/17/18 that would have succeeded at level 10.
Anet make Rev great again.
Bosses have more defiant stacks on them too.
29 seems much harder than 20 to me. There are even enemies in places in 29 that aren’t present in 20.