>>17193824An insanely powerful attack in HJK. The only other moves that compare are things like Choice Band Darmanitan Flare Blitz. Anything that doesn't resist is OHKOed, unless it's a wall like Skarmory or Hippowdon, in which case it's a 2HKO.
It also has the coverage moves to deal with anything that resists HJK. Ice Punch for Lando-T, Gliscor, Dragonite, Lati@s, Trevenant etc. Thunder Punch for Slowbro, Jellicent and Gyarados, Psycho Cut/Zen Headbutt for Mega Venusaur and things that don't take SE damage from any of the elemental punches, and Fire Punch for Aegislash.
>spoogy swordFire Punch, however Fire Punch is a poor coverage most outside of sward so I wouldn't recommend it.
At any rate, Aegislash doesn't counter Medicham (but usually does because people don't run Fire Punch,) only checks. Medicham is faster and can 2HKO with Fire Punch, unless King's Shield is used. Shadow Sneak doesn't OHKO unless you have Life Orb and maximum attack investment (which is garbage because special sword is way better), and even then it just barely OHKOs zero-investment Medicham.
>the birdRevenge kills TONS of stuff. It's the single best revenge killer in the game, why do you think it's #2 in usage?
>100 speedNot great for a sweeper but it's enough to outspeed all defensive Pokemon, most of which are base 80 or below. Medicham is not really a sweeper, though, too many things can check it. But it can smash any defensive core, wall or tank with zero support.