Johto

HeartGold HeartGold SoulSilver SoulSilver
Walking in tall grass or a cave
Mt. Silver
2F
20%
L48
20%
L48
Route 47
inside cave
2%
L23
2%
L23

Sinnoh

Platinum Platinum Diamond Diamond Pearl Pearl
Walking in tall grass or a cave
Iron Island
B2F left
10%
L33–35
10%
L33–34
10%
L33–34
Iron Island
B2F right
10%
L33–35
Iron Island
B3F
10%
L33–35
Not during a swarm
+20%
L32
10%
L33–34
10%
L33–34
Snowpoint Temple
1F
5%
L52
5%
L52
Snowpoint Temple
B1F
15%
L53–54
15%
L53–54
Snowpoint Temple
B2F
15%
L53–54
15%
L53–54
Snowpoint Temple
B3F
15%
L53–54
15%
L53–54
Snowpoint Temple
B4F
20%
L54–56
20%
L54–56
Snowpoint Temple
B5F
20%
L54–56
20%
L54–56
Victory Road
1F
5%
L42
10%
L46
10%
L46
Victory Road
2F
40%
L42–44
10%
L47
10%
L47
Victory Road
B1F
5%
L44
10%
L46
10%
L46
Victory Road
inside
5%
L50
10%
L52
10%
L52
Victory Road
inside B1F
10%
L52
10%
L52
Victory Road
inside exit
5%
L50
10%
L52
10%
L52

Unova

Black 2 Black 2 White 2 White 2 Black Black White White
Walking in dust clouds
Clay Tunnel
5%
L57
5%
L57
Glacier Room
5%
L57
5%
L57
Iron Room
5%
L57
5%
L57
Rocky Mountain Room
5%
L57
5%
L57
Twist Mountain
5%
L57
5%
L57
Underground Ruins
5%
L57
5%
L57