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Talonflame is by far one of the best Pokemon in the meta. It's one of the only solid stops to Sableye, with a choice band can get a priority 2HKO on offensive Pokemon that don't resist it, revenge kills things like no other, and the Swords Dance set is amongst the best sweepers in the tier - at +2 with a Sharp Beak, Talonflame gets a guaranteed OHKO on neutral 252/0's with Brave Bird. Priority OHKO's are no joke.
+2 252+ Atk Sharp Beak Talonflame Brave Bird vs. 252 HP / 0 Def Mew: 430-507 (106.4 - 125.4%) -- guaranteed OHKO
Recoil isn't an issue for it either, you can just Roost it off. 252 HP / 252 Atk / 4 Speed Adamant is imo the best spread for SD Talon, it doesn't need speed that much due to Gale WIngs. The bulk investment gives it an easier time setting up, and trying to roosting off damage later in the game is not suicidal. It is walled by rock-types, and unaware mons, but this is a meta where multiple trappers are very viable.