wool does not burn easily, so the weresheep just withstands the dragon`s breath and then slowly its the dragon away
Us black dragons tend to spit acid though...well, the D&D ones do :P
* as usual this is imho (unless stated otherwise); feel free to disagree, ignore or try to change my mind. Agreeing with me is ofc also allowed, but makes for much worse flamewarsarguments.
It is a full moon night and ... bèèè! ... the Weresheep are out...