Good Day,
It would seem there is an continuing issue with Totem Mastery. I can drop the totems and the icon does not change until I cast the first offensive spell. However, this does not happen every time I drop totems. I can drop totems and go into my rotation and the icons never change to the next spell in the rotation. Most of the time, I have to drop the totems once or twice more before the icons will change.
If this issue is unclear, please contact me for clarification.