Calm down guys^^
Remember, wudi's power get stronger the more he is gentle.
I can't imagine a powerfull one that try to kill everyone the pyro c asks. And the pyro c doesn't know that fact.
Mmh, what do you think? The author make all his power for we think that it's his brother but... In that case, where was the wolf? Why doesn't he curse that the motor break or somethink like that...