If Alpha has a bond rating of 10 towards Beta, then that rating cannot increase to 11.
If Alpha has a bond rating of 1 towards Beta, then that rating cannot decrease to 0.
If Alpha has a bond rating of 0 towards Beta, then that rating cannot decrease to -1.
Through the ritual of Vaulderie:
If Alpha has a bond rating of 10 towards Beta, then that rating cannot increase to 11. If Alpha has a bond rating of 1 towards Beta, then that rating cannot decrease to 0. If Alpha has a bond rating of 0 towards Beta, then that rating cannot decrease to -1.