Originally Posted by
Trenloe
It never has, because the mask can only hide what is on it's own layer (the bottom layer) - see the "Things to note" in post #1: "As masking only works on the base layer, anything that the GM wants to mask should be put on the base layer - tokens that are used for mapping, etc.. If you want to hide NPC tokens don't put them on the base layer, put them on the top layer and use the individual token "visibility" setting (or the visibility setting for the NPC in the combat tracker) to hide/reveal the token to the players."