I just got a Skarmory Lv. 50 EVs and all, and then found out that it can't learn drill peck. Is there at all anyway to get Drill peck without chain breeding?
Skarmory can learn aerial ace but its 60 base power is less than drill peck's 80 base power which is why drill peck is preferred, and the TM for aerial ace is only one available per game.
You can go for HP (Flying) and try to get it as strong as possible by breeding, but I'm sure none of us would want to breed over and over again. But you can try it.
Well if the set is ingame and its the normal set with whirlwind over roar and you didn't want hp flying because it takes too long Air Cutter/Aerial Ace are perfectly okay... although if it becomes a major competitive team scrap it...
If you don't wanna use your 'Ace TM, get a male Taillow/Swellow and level him up until he learns Aerial Ace (I know this because I have a female Swellow with it), then breed him to your Skarmory. Or get a male Doduo and have him learn Drill Peck. If those aren't possible, Air Cutter should suffice.
Oh... Fly works good wonders ingame because they won't switch to a rock or electric... but don't cry to me if you want to use it and the 5% miss chance kills you...