Lairon

SteelRockSturdy, Rock Head, Fortitude (hidden)

In Exceeded: Not in the wild: evolve Aron at level 32. Its type (Steel / Rock) and base stats (total 430) are the same as in the official games. 6 of its 18 level-up moves are new compared with Pokémon Emerald, including Rock Tomb and Rock Slide.

Level-up moves 23

Lv	Move	Type	Cat	Pow	Acc	PP
1	Harden Stiffens the body's muscles to raise Defense.	Normal	Stat	—	—	30
1	Headbutt A ramming attack that may cause flinching.	Normal	Phys	70	100	15
1	Metal Claw A claw attack that may raise the user's Attack.	Steel	Phys	75	95	15
1	Mud-Slap Can hit Flying foes. Reduce its accuracy.	Ground	Spec	20	100	10
1	Rock Tomb Stops the foe from moving with rocks and cuts Speed.	Rock	Phys	60	95	15
1	Tackle Charges the foe with a full- body tackle.	Normal	Phys	35	95	35
4	Harden Stiffens the body's muscles to raise Defense.	Normal	Stat	—	—	30
5	Mud-Slap Can hit Flying foes. Reduce its accuracy.	Ground	Spec	20	100	10
10	Headbutt A ramming attack that may cause flinching.	Normal	Phys	70	100	15
12	Metal Claw A claw attack that may raise the user's Attack.	Steel	Phys	75	95	15
13	Rock Tomb Stops the foe from moving with rocks and cuts Speed.	Rock	Phys	60	95	15
18	Roar Makes the foe flee to end the battle.	Normal	Stat	—	100	20
24	Rock Slide Large boulders are hurled. May cause flinching.	Rock	Phys	75	90	10
25	Iron Head Slams the foe with a hard head. May cause flinching.	Steel	Phys	80	100	15
25	Protect Evades attack, but may fail if used in succession.	Normal	Stat	—	—	10
28	Take Down A reckless charge attack that also hurts the user.	Normal	Phys	90	85	20
32	Iron Defense Hardens the body's surface to sharply raise Defense.	Steel	Stat	—	—	15
35	Metal Sound Emits a horrible screech that sharply lowers Sp. Def.	Steel	Stat	—	85	40
41	Iron Tail Attacks with a rock-hard tail. May lower Defense.	Steel	Phys	100	85	10
46	Autotomize Sheds additional weight to boost base Speed by 100.	Steel	Stat	—	—	15
54	Double-Edge A life-risking tackle that also hurts the user.	Normal	Phys	120	100	15
55	Heavy Slam Does more damage if the user outweighs the foe.	Steel	Phys	1	100	10
62	Metal Burst Retaliates any hit with greater power.	Steel	Phys	1	100	10

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

TMs & HMs 29

#	Move · where to get it	Type	Pow
TM03	Water Pulse Sootopolis City Gym — Gym 1F	Water	60
TM05	Roar Route 114	Normal	—
TM06	Toxic Not handed out, sold or hidden anywhere in this game's own map data	Poison	—
TM10	Hidden Power Slateport City	Normal	60
TM11	Sunny Day Not handed out, sold or hidden anywhere in this game's own map data	Fire	—
TM17	Protect Lilycove City — Department Store 4F	Normal	—
TM18	Rain Dance Not handed out, sold or hidden anywhere in this game's own map data	Water	—
TM21	Frustration Pacifidlog Town — House 2	Normal	1
TM23	Iron Tail Not handed out, sold or hidden anywhere in this game's own map data	Steel	100
TM26	Earthquake Not handed out, sold or hidden anywhere in this game's own map data	Ground	100
TM27	Return Fallarbor Town — Cozmo's House	Normal	1
TM28	Dig Route 114 — Fossil Maniac's House	Ground	80
TM32	Double Team Mauville City — Game Corner	Normal	—
TM34	Shock Wave Mauville City Gym	Electric	60
TM37	Sandstorm Not handed out, sold or hidden anywhere in this game's own map data	Rock	—
TM39	Rock Tomb Rustboro City Gym	Rock	60
TM40	Aerial Ace Fortree City Gym	Flying	60
TM42	Facade Petalburg City Gym	Normal	70
TM43	Secret Power Slateport City	Normal	70
TM44	Rest Lilycove City — House 2	Psychic	—
TM45	Attract Verdanturf Town — Battle Tent Lobby	Normal	—
TM55	Body Press Dewford Town — Pokemon Center 2F	Fighting	80
TM59	Natural Gift Slateport City	Normal	1
TM63	Sandy Terrain Not handed out, sold or hidden anywhere in this game's own map data	Ground	—
TM66	Headbutt Petalburg Woods	Normal	70
TM69	Stone Edge Not handed out, sold or hidden anywhere in this game's own map data	Rock	100
HM01	Cut Rustboro City — Cutter's House	Normal	50
HM04	Strength Route 112	Fighting	80
HM06	Rock Smash Mauville City — House 1	Fighting	40

Where to find Lairon

Not found in the wild — evolve or trade for it.

Other changes in this game

Has 3 abilities at once: whichever of its 3 ordinary abilities it was born with, plus 2 innates always on
Innates (always active): Heavy Metal, Impenetrable
What the innates do: Heavy Metal — Doubles weight. · Impenetrable — Only damaged by attacks.
Abilities you pick one of: Sturdy — Negates 1-hit KO attacks. · Rock Head — Prevents recoil damage. · Fortitude — Lowered stats up Defense.
Hidden ability: Fortitude
How its abilities arrive: Impenetrable, Sturdy from the start; Rock Head at Lv 12; Fortitude at Lv 17; Heavy Metal at Lv 24
Evolves into Aggron at level 42
Tutor moves: AncientPower, Body Slam, Defense Curl, Double-Edge, Endure, Fury Cutter, Mimic, Mud-Slap, Rock Slide, Rollout, Sleep Talk, Snore, Substitute, Swagger
Egg groups: Monster
Catch rate 90