252+ Atk Talonflame Brave Bird vs. 216 HP / 252 Def Conkeldurr: 342-404 (84.4 - 99.7%) -- guaranteed 2HKOasdfaowregnoainaorngoqgtowrhg;ihsdgn
could just ev to live it but yeah.
Too many EVs, I guess:P
And if you want to go with an Impish nature...
252+ Atk Talonflame Brave Bird vs. 72 HP / 252+ Def Conkeldurr: 312-368 (84.5 - 99.7%) -- guaranteed 2HKO
But why would you do that? Just switch out, lol.
(160 Base Power Brave Bird btw)