At the edge of the cliff, it refused to be pushedd down on a number of occations. However, that is only because some magic power is holding its bottom. The question is (i) can the magic power stay on? (ii) can the angry bear overpower the magic power? and (iii) if the bull finally holds its ground, can it muster up enough energy to give the bear a decisive, enduring and deadly blow which is so important for the bull's middle term survival? Even if (i) and (ii) turn out to be there, I still doubt (iii) will happen.