Aggron

SteelRockSturdy, Rock Head, Heavy Metal (hidden)

In Emerald Rule-ette: Not in the wild: evolve Lairon at Level 42. Its type (Steel / Rock), base stats (total 530) and abilities are the same as in the official games. 6 of its 17 level-up moves are new compared with Pokémon Emerald, including Rock Tomb and Rock Slide.

Level-up moves 17

Lv	Move	Type	Cat	Pow	Acc	PP
1	Harden Stiffens the body's muscles to raise Defense.	Normal	Stat	—	—	30
1	Metal Claw A claw attack that may raise the user's Attack.	Steel	Phys	50	95	35
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	40	100	35
12	Roar Switches the foe out or ends wild battle.	Normal	Stat	—	—	20
16	Headbutt A ramming attack that may cause flinching.	Normal	Phys	70	100	15
20	Protect	Normal	Stat	—	—	10
24	Rock Slide Large boulders are hurled. May cause flinching.	Rock	Phys	75	90	10
28	Iron Head Slams the foe with a hard head. May cause flinching.	Steel	Phys	80	100	15
35	Metal Sound Emits a horrible screech that sharply lowers Sp. Def.	Steel	Stat	—	85	40
40	Take Down A reckless charge attack that also hurts the user.	Normal	Phys	90	85	20
48	Autotomize Sheds additional weight to sharply boost Speed.	Steel	Stat	—	—	15
56	Iron Tail Attacks with a rock-hard tail. May lower Defense.	Steel	Phys	100	75	15
64	Iron Defense Hardens the body's surface to sharply raise Defense.	Steel	Stat	—	—	15
72	Heavy Slam	Steel	Phys	1	100	10
80	Double-Edge A life-risking tackle that also hurts the user.	Normal	Phys	120	100	15
88	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 33

#	Move · where to get it	Type	Pow
TM01	Focus Punch Route 115 (pick up)	Fighting	150
TM02	Dragon Claw Meteor Falls — B1F Room 2 (pick up)	Dragon	80
TM03	Water Pulse Sootopolis City Gym — Gym 1F (pick up)	Water	60
TM05	Roar Route 114 (pick up)	Normal	—
TM06	Toxic Fiery Path (pick up)	Poison	—
TM11	Sunny Day Scorched Slab (pick up)	Fire	—
TM12	Taunt Route 110 — Trick House End (pick up); Route 110 — Trick House Entrance (pick up)	Dark	—
TM13	Ice Beam Mauville City — Game Corner (pick up); Abandoned Ship — Room B1F (pick up)	Ice	90
TM14	Blizzard Lilycove City — Department Store 4F (buy)	Ice	110
TM15	Hyper Beam Lilycove City — Department Store 4F (buy)	Normal	150
TM17	Protect Lilycove City — Department Store 4F (buy)	Normal	—
TM18	Rain Dance Abandoned Ship — Hidden Floor Rooms (pick up)	Water	—
TM22	Solar Beam Safari Zone — Northwest (pick up)	Grass	120
TM23	Iron Tail Meteor Falls — 1F Room 1 (pick up)	Steel	100
TM24	Thunderbolt Mauville City (pick up); Mauville City — Game Corner (pick up)	Electric	90
TM25	Thunder Lilycove City — Department Store 4F (buy)	Electric	110
TM26	Earthquake Seafloor Cavern — Room 9 (pick up)	Ground	100
TM28	Dig Route 114 — Fossil Maniac's House (pick up)	Ground	80
TM31	Brick Break Sootopolis City — House 1 (pick up)	Fighting	75
TM32	Double Team Mauville City — Game Corner (pick up); Route 113 (hidden)	Normal	—
TM34	Shock Wave Mauville City Gym (pick up)	Electric	60
TM35	Flamethrower Mauville City — Game Corner (pick up)	Fire	90
TM37	Sandstorm Route 111 (pick up)	Rock	—
TM38	Fire Blast Lilycove City — Department Store 4F (buy)	Fire	110
TM39	Rock Tomb Rustboro City Gym (pick up)	Rock	60
TM40	Aerial Ace Fortree City Gym (pick up)	Flying	60
TM42	Facade Petalburg City Gym (pick up)	Normal	70
TM44	Rest Lilycove City — House 2 (pick up)	Psychic	—
TM45	Attract Verdanturf Town — Battle Tent Lobby (pick up)	Normal	—
HM01	Cut Rustboro City — Cutter's House (pick up)	Normal	50
HM03	Surf Petalburg City — Wally's House (pick up)	Water	90
HM04	Strength Rusturf Tunnel (pick up)	Normal	80
HM06	Rock Smash Route 111 — Winstrate Family's House (pick up)	Fighting	40

Where to find Aggron

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