Ferrothorn and Empoleon are the only Steels to resist Surf.3: The last move would be up to personal discretion. Substitute, if applicable, would allow Seaking a bit more survivability. Flail could also help in rounding out Seaking's coverage, though HP: Fire or Fighting may be wanted in case a Steel-type shows up.
I think I might play around with this a bit longer. Maybe it'll turn out to be something useful.
Firstly, I´m pretty sure that Cell Battery does not activate if you´re immune to Electric(same for Lightning Rod btw but that´s beside the point as it only really matters for Rhydon/perior and Marowak).I'm currently trying to breed a good Lightning Rod Goldeen. I think it would be helpful when it switches into an electric attack, as it can raise it's Sp. A and also it's ATK with the Cell Battery.
I just love this makes grass only super-effective against Seaking. Although I don't know what's better, a swift Seaking, or a shock absorbing Seaking.
I don't think Zapdos's Hidden Ability is released yet.Zapdos with lightningrod is great, as well as fantastic resistances to ferrothorn, scizor, and gliscor make him a better choice over thundurus in my opinion. IDK why he got moved down to UU but with 2 immunities and the power to raise spatk, zapdos is purely awesome, and that's in singles. imagine what he could do with a partnered discharge?
Well, it's more of a pity that it lost Sword Dance (Gen II NYPC event move, I believe). I was about to try to breed one then didn't see SD anywhere in its movepool.. Oh well.Agility is another option I guess, pity it lost Knock Off.