Wait until you are forced to switch out after losing 50% of your health. One status like Toxic, Burn, Paralyze or even Seeded is enough. If you do the calculation, Talonflame LO priority BB does about 60-70% of Azu max 252HP. LO/Banded Scizor 252Atk/252HP can easily Bullet Punch a half-life Azu...