Kanto

HeartGold HeartGold SoulSilver SoulSilver FireRed FireRed LeafGreen LeafGreen Crystal Crystal Gold Gold Silver Silver Yellow Yellow Red Red Blue Blue
Walking in tall grass or a cave
Berry Forest
5%
L37–40
5%
L37–40
Cerulean Cave
1F
20%
L46
20%
L46
Route 11
10%
L16
10%
L16
At night
+5%
L16
10%
L16
10%
L16