Once i've got the third slot it told me i had total 2 bond slot, and yesterday that i've reached the fourth it told me i now have a total of 3 slots (as you can see from the screen) http://postimg.org/image/yp9qfwz5f/ so always one less than the real number if you go check my profile as moderators you'll see i actually have 4 slots, i've checked using [profile character Hiraku (on a pure mare, purple robe)