95: Onix

Kanto

	HeartGold	SoulSilver	FireRed	LeafGreen	Crystal	Gold	Silver	Yellow	Red	Blue
Walking in tall grass or a cave
Rock Tunnel 1F			5% L13–15	5% L13–15
Rock Tunnel B1F	+20% L16	+20% L16	10% L13–17	10% L13–17	+20% L16 +20% L16 +20% L16	20% L16	20% L16		5% L13–15	5% L13–15
Rock Tunnel B2F								10% L14–22	9% L13–17	9% L13–17
Sevault Canyon			5% L54	5% L54
Victory Road 1F			30% L40–46	30% L40–46				10% L43–45	30% L36–42	30% L36–42
Victory Road 1F	15% L34–36	15% L34–36			+20% L33 +20% L33 +20% L32	15% L34–36	15% L34–36
Victory Road 2F			20% L45–48	20% L45–48				10% L45–47	30% L36–42	30% L36–42
Victory Road 2F	15% L34–36	15% L34–36			+20% L33 +20% L33 +20% L32	15% L34–36	15% L34–36
Victory Road 3F	15% L34–36	15% L34–36			+20% L33 +20% L33 +20% L32	15% L34–36	15% L34–36
Victory Road 3F			30% L40–46	30% L40–46				10% L49	20% L42–45	20% L42–45

Johto

	HeartGold	SoulSilver	Crystal	Gold	Silver
Walking in tall grass or a cave
Mt. Silver 1F	20% L42 +10% L42	20% L42 +10% L42	+20% L42 +20% L42 +20% L42	30% L42	30% L42
Mt. Silver mountainside	20% L48 +10% L48	20% L48 +10% L48
Mt. Silver top			+30% L48 +30% L48 +30% L48	30% L48	30% L48
Route 47 inside cave	+10% L20	+10% L20
Union Cave 1F	5% L6	5% L6	+5% L6 +5% L6 +5% L6	5% L6	5% L6
Union Cave B1F	10% L8	10% L8	+10% L8 +10% L8 +10% L8	10% L8	10% L8
Union Cave B2F	5% L23	5% L23	+5% L23 +5% L23 +5% L23	5% L23	5% L23

	Platinum	Diamond	Pearl
Walking in tall grass or a cave
Iron Island 1F	10% L31–33	10% L32–33	10% L32–33
Iron Island B1F left	10% L31–33	10% L32–33	10% L32–33
Iron Island B1F right	10% L31–33	10% L32–33	10% L32–33
Iron Island B2F left	20% L32	30% L32–33	30% L32–33
Iron Island B2F right	20% L32	30% L31–33	30% L31–33
Iron Island B3F	+20% L32	30% L32–33	30% L32–33
Oreburgh Mine 1F	10% L6–8	10% L8	10% L8
Oreburgh Mine B1F	10% L7–9	10% L9	10% L9
Snowpoint Temple 1F		15% L50–52	15% L50–52
Snowpoint Temple B1F		5% L52–53	5% L52–53
Snowpoint Temple B2F		5% L52–53	5% L52–53
Snowpoint Temple B3F		5% L52–53	5% L52–53
Stark Mountain entrance		5% L54	5% L54
Stark Mountain inside		5% L56	5% L56
Victory Road 1F	20% L41–42	10% L44	10% L44
Victory Road 2F	5% L42	10% L45	10% L45
Victory Road B1F	10% L42
Victory Road inside	20% L48–50	10% L50	10% L50
Victory Road inside exit	20% L48–50	10% L50	10% L50
Wayward Cave 1F	11% L18–20 +4% L18 +4% L18 +4% L18 +4% L18 +4% L18
Wayward Cave B1F	11% L18–20 +4% L18 +4% L18 +4% L18 +4% L18 +4% L18

	Black 2	White 2	Black	White
Walking in tall grass or a cave
Clay Tunnel	5% L57	5% L57
Glacier Room	5% L57	5% L57
Iron Room	5% L57	5% L57
Relic Castle c			15% L48–49	15% L48–49
Relic Passage Castelia Sewers entrance	5% L18	5% L18
Relic Passage PWT entrance	5% L30	5% L30
Relic Passage Relic Castle entrance	5% L30	5% L30
Rocky Mountain Room	5% L57	5% L57
Twist Mountain	5% L57	5% L57
Underground Ruins	5% L57	5% L57
Victory Road unknown area 74	20% L43–44	20% L43–44
Victory Road unknown area 75	20% L49–50	20% L49–50
	Black 2	White 2	Black	White
Walking in dust clouds
Clay Tunnel	20% L54	20% L54
Glacier Room	20% L54	20% L54
Iron Room	20% L54	20% L54
Relic Passage Castelia Sewers entrance	20% L16	20% L16
Relic Passage PWT entrance	20% L27	20% L27
Relic Passage Relic Castle entrance	20% L27	20% L27
Rocky Mountain Room	20% L54	20% L54
Twist Mountain	20% L54	20% L54
Underground Ruins	20% L54	20% L54
Victory Road unknown area 74	20% L41	20% L41
Victory Road unknown area 75	20% L47	20% L47
Victory Road unknown area 77	20% L47	20% L47
Victory Road unknown area 80	20% L47	20% L47

	X	Y
Walking in tall grass or a cave
Glittering Cave Unknown Area 303	10% L17	10% L17
	X	Y
Smashing rocks
Cyllage City	35% L15–17
Glittering Cave Unknown Area 304	35% L15–17	35% L15–17