Onix

RockGroundRock Head, Sturdy, Weak Armor (hidden)

Union Cave 1F · Lv 4-6 Union Cave B1F North · Lv 4-6 Union Cave B1F South · Lv 4-6 Open in the guide Compare

In Crystal Inheritance: First found in Union Cave 1F (Grass, Lv 4-6), and in 3 more areas. Its type (Rock / Ground) and abilities are the same as in the official games. Base stats total 420, up from 385; only Attack changed (45 → 80). 15 of its 20 level-up moves are new compared with Pokémon Crystal, including Defense Curl and Wrap.

Level-up moves 20

Lv	Move	Type	Cat	Pow	Acc	PP
1	Defense Curl Raises the user's Defense.	Normal	Stat	—	100	40
1	Tackle A full-body charge attack.	Normal	Phys	40	100	35
1	Wrap Traps the foe for 2-5 turns.	Normal	Phys	15	90	20
4	Curse Works differently for Ghost-types.	Ghost	Stat	—	100	10
8	Rock Throw Drops rocks on the enemy.	Rock	Phys	50	90	15
10	Rage Raises Attack if the user is hit.	Normal	Phys	20	100	20
13	Rock Blast Hurls boulders to hit 2-5 times.	Rock	Phys	25	90	25
16	Bulldoze A Ground attack that lowers Speed.	Ground	Phys	60	100	20
19	Sandstorm Inflicts damage every turn.	Rock	Stat	—	100	10
22	Magnitude A Ground attack with random power.	Ground	Phys	1	100	30
25	DragonBreath A strong breath attack.	Dragon	Spec	60	100	20
28	Headbutt An attack that may cause flinching.	Normal	Phys	70	100	15
31	Screech Sharply lowers the foe's Defense.	Normal	Stat	—	85	40
34	Rock Slide An attack that may cause flinching.	Rock	Phys	75	90	10
37	Crunch An attack that may lower Defense.	Dark	Phys	80	100	15
40	Iron Tail An attack that may lower Defense.	Steel	Phys	100	75	15
43	Dig 1st turn: Burrow 2nd turn: Attack	Ground	Phys	80	100	10
46	Stone Edge Has a high criti- cal hit ratio.	Rock	Phys	100	80	5
49	Double-Edge A tackle that also hurts the user.	Normal	Phys	120	100	15
52	Earthquake Tough but useless vs. flying foes.	Ground	Phys	100	100	10

* a legal move, just moved to level-up · ** new to this game

TMs & HMs 25

#	Move · where to get it	Type	Pow
TM03	Curse Ecruteak City	Ghost	—
TM05	Roar Calm Coast	Normal	—
TM06	Toxic Route 38	Poison	—
TM10	Hidden Power Ruins of Alph, Celebi puzzle item room	Normal	60
TM11	Sunny Day Gauldenrod TM Mart	Fire	—
TM17	Protect Goldenrod TM Mart	Normal	—
TM21	Bulldoze Union Cave 1F	Ground	60
TM23	Iron Tail Olivine Gym	Steel	100
TM26	Earthquake Ruins of Alph, Heatran puzzle	Ground	100
TM27	Return Pryce, in Tinder Garden	Normal	1
TM28	Dig National Park	Ground	80
TM31	Brick Break Union Cave B1F North	Fighting	40
TM32	Double Team Not available in this version	Normal	—
TM34	Flash Cannon Western Capital	Steel	80
TM37	Sandstorm Gauldenrod TM Mart	Rock	—
TM41	Substitute Kimono Cabin, part 5	Normal	—
TM42	Facade Goldenrod Gym, after Whitney	Normal	70
TM44	Rest Whirl Islands B1F	Psychic	—
TM45	Attract Radio Tower, Whitney's room	Normal	—
TM48	Rock Slide Arthur, on Route 36	Rock	75
TM59	Dragon Pulse Cianwood Cove	Dragon	85
TM64	Explosion Clast's Cradle 2F	Normal	250
TM71	Stone Edge Smoky Summit	Rock	100
TM74	Gyro Ball Ruins of Alph, Bronzong puzzle	Steel	1
HM04	Strength Gauldenrod Tower	Fighting	80

Where to find Onix

Area	Method	Level
Union Cave 1F	Grass	4-6
Union Cave B1F North	Grass	4-6
Union Cave B1F South	Grass	4-6
Union Cave B2F	Grass	24-27

Other changes in this game

Evolves into Steelix by levelling up holding a Metal Coat
Egg moves: Defense Curl, Rock Slide, Earthquake, Rock Blast
Wild held items: Lagging Tail, Hard Stone
Catch rate 45
Base experience 128
EV yield: 1 Defence
Egg groups: Mineral
Growth rate: Medium Fast
Move tutors: Body Slam, Double-Edge, Earth Power, Endure, Headbutt, Iron Head, Rollout, Sleep Talk, Swagger

In the Faithful version

Everything above is the Default version. In Faithful, its base stats are 35 / 45 / 160 / 30 / 45 / 70.