I looted a cloak earlier that gives five clicks of Bull's Strength per rest. I kept it, since more strength is always good. However, I noticed that I am not receiving the full effect if I am wearing an item that also grants Ogre strength. i.e. If I am wearing Ogre Strength +3 gloves and cast Bull's Strength from the cloak, my current strength only increases by one. Is this working correctly? It seems odd to me that they don't stack, but I have been away for quite some time. Bad habits from other games have crept in, so I don't always remember correctly.