I can't use the pyramids.
Used them only once to check how they work. Placed one in the market in Cyseal, walked a bit around and then used the other one from my inventory - teleported me to the first one as i expected.
But then it failed to work every other time i tried.
When i placed the pyramid on the floor, at the place i was, and traveled to another location, and then tried to get back to the first pyramid, i ended...next to my other char.
It turned out that the pyramid i put on the floor was somehow in my second char's inventory.
Any ideas why this is happening?