Onix
Black/White

It burrows through the ground at a speed of 50 mph while feeding on large boulders.

Black 2/White 2

Opening its large mouth, it ingests massive amounts of soil and creates long tunnels.

Evolution Chain

onix
Onix
🔄
Trade
+
metal-coat metal coat
steelix
Steelix

Pokédex & Training Data

Classification Rock Snake Pokémon
Height 8.8 m (28'10")
Weight 210.0 kg (463.0 lbs)
Abilities
EV Yield +1 defense
Catch Rate 45
Base Friendship 70
Growth Rate medium
Gender Ratio
♂ ♀
Egg Groups Mineral

Pokédex Numbers

Kanto (R/B/Y) #095
Johto (G/S/C) #062
Sinnoh (D/P) #034
Sinnoh (Plat.) #034
Johto (HG/SS) #062
Unova (B2/W2) #071
Kalos (Coastal) #053
Galar (Sw/Sh) #178
Hisui #118
National #095

Held Items

None in this generation.

Game Locations

Clay Tunnel Area
Glacier Room Area
Iron Room Area
Relic Castle C
Relic Passage Castelia Sewers Entrance
Relic Passage Pwt Entrance
Relic Passage Relic Castle Entrance
Rocky Mountain Room Area
Twist Mountain B1f 3f
Underground Ruins Area
Unova Victory Road 2 Unknown Area 74
Unova Victory Road 2 Unknown Area 75
Unova Victory Road 2 Unknown Area 77
Unova Victory Road 2 Unknown Area 80

Learned Moves

Level Up Moves

Black/White
Lvl Name Class Power Acc. PP Effect
1 Bind
15 85% 20 Prevents the target from fleeing and inflicts damage for 2-5 turns.
1 Tackle
40 100% 35 Inflicts regular damage with no additional effect.
1 Harden
— — 30 Raises the user’s Defense by one stage.
1 Mud Sport
— — 15 Halves all Electric-type damage.
6 Screech
— 85% 40 Lowers the target’s Defense by two stages.
9 Rock Throw
50 90% 15 Inflicts regular damage with no additional effect.
14 Rage
20 100% 20 If the user is hit after using this move, its Attack rises by one stage.
17 Rock Tomb
60 95% 15 Has a 100% chance to lower the target’s Speed by one stage.
22 Smack Down
50 100% 15 Removes any immunity to Ground damage.
25 Sandstorm
— — 10 Changes the weather to a sandstorm for five turns.
30 Rock Polish
— — 20 Raises the user’s Speed by two stages.
33 Slam
80 75% 20 Inflicts regular damage with no additional effect.
38 Stealth Rock
— — 20 Causes damage when opposing Pokémon switch in.
41 Dragon Breath
60 100% 20 Has a 30% chance to paralyze the target.
46 Curse
— — 10 Ghosts pay half their max HP to hurt the target every turn. Others decrease Speed but raise Attack and Defense.
49 Iron Tail
100 75% 15 Has a 30% chance to lower the target’s Defense by one stage.
54 Sand Tomb
35 85% 15 Prevents the target from fleeing and inflicts damage for 2-5 turns.
57 Double Edge
120 100% 15 User receives 1/3 the damage inflicted in recoil.
62 Stone Edge
100 80% 5 Has an increased chance for a critical hit.
Black 2/White 2
Lvl Name Class Power Acc. PP Effect
1 Bind
15 85% 20 Prevents the target from fleeing and inflicts damage for 2-5 turns.
1 Tackle
40 100% 35 Inflicts regular damage with no additional effect.
1 Harden
— — 30 Raises the user’s Defense by one stage.
1 Mud Sport
— — 15 Halves all Electric-type damage.
4 Curse
— — 10 Ghosts pay half their max HP to hurt the target every turn. Others decrease Speed but raise Attack and Defense.
7 Rock Throw
50 90% 15 Inflicts regular damage with no additional effect.
10 Rage
20 100% 20 If the user is hit after using this move, its Attack rises by one stage.
13 Rock Tomb
60 95% 15 Has a 100% chance to lower the target’s Speed by one stage.
16 Stealth Rock
— — 20 Causes damage when opposing Pokémon switch in.
19 Rock Polish
— — 20 Raises the user’s Speed by two stages.
22 Smack Down
50 100% 15 Removes any immunity to Ground damage.
25 Dragon Breath
60 100% 20 Has a 30% chance to paralyze the target.
28 Slam
80 75% 20 Inflicts regular damage with no additional effect.
31 Screech
— 85% 40 Lowers the target’s Defense by two stages.
34 Rock Slide
75 90% 10 Has a 30% chance to make the target flinch.
37 Sand Tomb
35 85% 15 Prevents the target from fleeing and inflicts damage for 2-5 turns.
40 Iron Tail
100 75% 15 Has a 30% chance to lower the target’s Defense by one stage.
43 Dig
80 100% 10 User digs underground, dodging all attacks, and hits next turn.
46 Stone Edge
100 80% 5 Has an increased chance for a critical hit.
49 Double Edge
120 100% 15 User receives 1/3 the damage inflicted in recoil.
52 Sandstorm
— — 10 Changes the weather to a sandstorm for five turns.

TM/HM Moves

Black/WhiteBlack 2/White 2
Name Class Power Acc. PP Effect
HM04 Strength
80 100% 15 Inflicts regular damage with no additional effect.
TM05 Roar
— — 20 Immediately ends wild battles. Forces trainers to switch Pokémon.
TM06 Toxic
— 90% 10 Badly poisons the target, inflicting more damage every turn.
TM10 Hidden Power
60 100% 15 Power and type depend upon user’s IVs. Power can range from 30 to 70.
TM11 Sunny Day
— — 5 Changes the weather to sunny for five turns.
TM12 Taunt
— 100% 20 For the next few turns, the target can only use damaging moves.
TM17 Protect
— — 10 Prevents any moves from hitting the user this turn.
TM21 Frustration
— 100% 20 Power increases as happiness decreases, up to a maximum of 102.
TM23 Smack Down
50 100% 15 Removes any immunity to Ground damage.
TM26 Earthquake
100 100% 10 Inflicts regular damage and can hit Dig users.
TM27 Return
— 100% 20 Power increases with happiness, up to a maximum of 102.
TM28 Dig
80 100% 10 User digs underground, dodging all attacks, and hits next turn.
TM32 Double Team
— — 15 Raises the user’s evasion by one stage.
TM37 Sandstorm
— — 10 Changes the weather to a sandstorm for five turns.
TM39 Rock Tomb
60 95% 15 Has a 100% chance to lower the target’s Speed by one stage.
TM41 Torment
— 100% 15 Prevents the target from using the same move twice in a row.
TM42 Facade
70 100% 20 Power doubles if user is burned, paralyzed, or poisoned.
TM44 Rest
— — 5 User sleeps for two turns, completely healing itself.
TM45 Attract
— 100% 15 Target falls in love if it has the opposite gender, and has a 50% chance to refuse attacking the user.
TM48 Round
60 100% 15 Has double power if it’s used more than once per turn.
TM64 Explosion
250 100% 5 User faints.
TM66 Payback
50 100% 10 Power is doubled if the target has already moved this turn.
TM69 Rock Polish
— — 20 Raises the user’s Speed by two stages.
TM71 Stone Edge
100 80% 5 Has an increased chance for a critical hit.
TM74 Gyro Ball
— 100% 5 Power raises when the user has lower Speed, up to a maximum of 150.
TM77 Psych Up
— — 10 Discards the user’s stat changes and copies the target’s.
TM78 Bulldoze
60 100% 20 Has a 100% chance to lower the target’s Speed by one stage.
TM80 Rock Slide
75 90% 10 Has a 30% chance to make the target flinch.
TM82 Dragon Tail
60 90% 10 Ends wild battles. Forces trainers to switch Pokémon.
TM87 Swagger
— 85% 15 Raises the target’s Attack by two stages and confuses the target.
TM90 Substitute
— — 10 Transfers 1/4 of the user’s max HP into a doll, protecting the user from further damage or status changes until it breaks.
TM91 Flash Cannon
80 100% 10 Has a 10% chance to lower the target’s Special Defense by one stage.
TM94 Rock Smash
40 100% 15 Has a 50% chance to lower the target’s Defense by one stage.

Tutor Moves

Black 2/White 2
Name Class Power Acc. PP Effect
Bind
15 85% 20 Prevents the target from fleeing and inflicts damage for 2-5 turns.
Block
— — 5 Prevents the target from leaving battle.
Dragon Pulse
85 100% 10 Inflicts regular damage with no additional effect.
Earth Power
90 100% 10 Has a 10% chance to lower the target’s Special Defense by one stage.
Iron Head
80 100% 15 Has a 30% chance to make the target flinch.
Iron Tail
100 75% 15 Has a 30% chance to lower the target’s Defense by one stage.
Sleep Talk
— — 10 Randomly uses one of the user’s other three moves. Only works if the user is sleeping.
Snore
50 100% 15 Has a 30% chance to make the target flinch. Only works if the user is sleeping.
Stealth Rock
— — 20 Causes damage when opposing Pokémon switch in.

Egg Moves

Black/WhiteBlack 2/White 2
Name Class Power Acc. PP Effect
Block
— — 5 Prevents the target from leaving battle.
Defense Curl
— — 40 Raises user’s Defense by one stage.
Flail
— 100% 15 Inflicts more damage when the user has less HP remaining, with a maximum of 200 power.
Heavy Slam
— 100% 10 Power is higher when the user weighs more than the target, up to a maximum of 120.
Rock Blast
25 90% 10 Hits 2-5 times in one turn.
Rock Climb
90 85% 20 Has a 20% chance to confuse the target.
Rollout
30 90% 20 Power doubles every turn this move is used in succession after the first, resetting after five turns.
Stealth Rock
— — 20 Causes damage when opposing Pokémon switch in.

Base Stats

Hp 35
Attack 45
Defense 160
Sp. Atk 30
Sp. Def 45
Speed 70
Total 385

Type Defenses

(vs. Gen 6+ rules)

0.5x
0.5x
4x
4x
0x
2x
2x
0.25x
2x
0.5x
0.5x
2x