King's Rock

Pokémon affected: Causes Poliwhirl to evolve into Politoed when traded, causes Slowpoke to evolve into Slowking when traded. Notes: Also raises chance of causing opponents to flinch by 11.7% with most attacks without secondary effects. Found:
 * Slowpoke Well (Generation II)
 * Near Steven's house in Mossdeep City, found on some wild Hariyama (R/S/E)
 * Sevault Canyon, Trainer Tower (Mixed Mode) and 5% chance of being held by wild Slowpoke (FR/LG)
 * Found on some wild Poliwhirl (D/P)
 * Pickup ability (1%, R/S; 1% (Pokémon between level 11 and 30), E, D/P)
 * Mystery Gift for 12000 Poké Coupons (PBR)