Ekans
Pokedex Number: 023
Type: Poison
Locations:
Routes:
Route 4 level 6-12 encounter rate: 25%
Route 8 level 17-19 encounter rate: 20%
Route 9 level 11-17 encounter rate: 25%
Route 10 level 11-17 encounter rate: 25%
Route 11 level 12-15 encounter rate: 45%
Route 23 level 26 encounter rate: 25%