if you click a passive skill out of order "not the next one in line" it will deduct the gold but not light up the sword icon. i assume its not giving the ability and just stealing the gold but i cant find anywhere to see the actual stats total / purchased...

The main menus are in English, there is a setting in Settings for English...but skill descriptions are all in Portuguese. Which I actually managed to figure out about half the time. What I never DID figure out was how to use any other ability but the starter one. I see them, I just can't find whatever key they are bound to....