In case you missed it, I posted an answer on the question "What Are The Sturdiest Cores You Have Found?" showcasing the combination of ferrothorn and slowking. If I can, I'll post some replays on the question "Post Them Battle Replays Here" showing what Ferroking can do. In the meantime, criticize to your heart's content.
Excadrill @ Sitrus Berry
Ability: Mold Breaker
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Stealth Rock
- Rapid Spin
- Earthquake
- Rock Slide
Ferrothorn @ Leftovers
Ability: Iron Barbs
EVs: 252 HP / 100 Def / 156 SpD
Sassy Nature
IVs: 0 Spe
- Leech Seed
- Spikes
- Gyro Ball
- Power Whip
Slowking @ Leftovers
Ability: Regenerator
EVs: 252 HP / 4 SpA / 252 SpD
Calm Nature
- Toxic
- Slack Off
- Scald
- Psyshock
Talonflame @ Choice Band
Ability: Gale Wings
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Brave Bird
- Flare Blitz
- U-turn
- Steel Wing
Manectric @ Manectite
Ability: Lightning Rod
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Thunderbolt
- Volt Switch
- Hidden Power [Ice]
- Flamethrower
Clefable @ Leftovers
Ability: Unaware
EVs: 252 HP / 68 Def / 188 SpD
Calm Nature
- Heal Bell
- Soft-Boiled
- Thunder Wave
- Moonblast