Lairon

Pokédex number	305	Gender ratio	50% male, 50% female	Growth rate	Slow
Category	Iron Armor Pokémon	Steps to hatch	9180	Base EXP yield	151
Base friendship	35	Egg groups	Monster

Jump to: Stats • Evolution • Moves • Encounter rates • Trainers • Battle facility sets

Type	Steel Rock
Double weaknesses	FIGHTING GROUND
Weaknesses	WATER
Resistances	ROCK BUG PSYCHIC ICE DRAGON FAIRY
Double resistances	NORMAL FLYING
Immunities	POISON

Abilities	Name	Description
Regular Abilities	Sturdy	Cannot be knocked out in one hit if at maximum HP.
Regular Abilities	Rock Head	This Pokémon does not suffer recoil damage.
Hidden Ability	Heavy Metal	This Pokémon's weight is doubled in battle.

Pokédex entry	When two Lairon meet in the wild, they fight for territory by bashing into each other. The sound of their collision carries for miles.
Cry
Height	3′11″ / 0.9 m	Weight	2646 lb / 120.0 kg	Catch Rate	90
Wild held items	Hard Stone (5%)
Eggs hatch into	Aron

Stats

	HP	Attack	Defense	Speed	Special Attack	Special Defense	Total
Base stats	60	90	140	40	50	50	430
EV yields	0	0	2	0	0	0	2

Evolution

Aron

→ Level up to at least level 32

Lairon

→ Level up to at least level 42

Aggron

Moves

Learnt by levelling up

Level	Move
1	Tackle
1	Harden
1	Mud-Slap
1	Headbutt
4	Mud-Slap
7	Headbutt
10	Metal Claw
13	Rock Tomb
16	Protect
19	Roar
22	Iron Head
25	Rock Slide
28	Take Down
31	Metal Sound
35	Iron Tail
39	Iron Defense
43	Double-Edge
47	Autotomize
51	Heavy Slam
55	Metal Burst

Learnt from a pre-evolution

Pre-evolution	Move	Method
Aron	Body Slam	Egg Move
Aron	Curse	Egg Move
Aron	Dragon Rush	Egg Move
Aron	Head Smash	Egg Move
Aron	Reversal	Egg Move
Aron	Screech	Egg Move
Aron	Smelling Salts	Egg Move
Aron	Stomp	Egg Move

Learnt from TMs/TMXs

Item	Move
TM05	Roar
TM06	Toxic
TM10	Hidden Power
TM11	Sunny Day
TM17	Protect
TM18	Rain Dance
TM21	Frustration
TM26	Earthquake
TM27	Return
TM32	Double Team
TM37	Sandstorm
TM39	Rock Tomb
TM40	Aerial Ace
TM42	Facade
TM44	Rest
TM45	Attract
TM48	Round
TM65	Shadow Claw
TM69	Rock Polish
TM71	Stone Edge
TM78	Bulldoze
TM80	Rock Slide
TM87	Swagger
TM88	Sleep Talk
TM90	Substitute
TM94	Secret Power
TM100	Confide
TMX1	Cut
TMX4	Strength
TMX7	Rock Smash

Learnt from Move Tutors

Encounter rates

Area ID	Area name	Encounter method	Level range	Rate
745	Teknite Cave	Cave	65–80	10 %
746	Teknite Cave	Cave	65–80	10 %
760	Underground Railnet	Cave	50–65	19 61⁄273 %
760	Underground Railnet	Cave	45–49	5 5⁄21 %
760	Underground Railnet	Cave	66–75	1 7⁄13 %
663	1R253 Scrapyard	Cave	68–83	15 %
692	1R253 Scrapyard	Cave	68–83	15 %
638	Teknite Cave	Cave	65–80	10 %
639	Teknite Cave 2F	Cave	65–80	10 %
647	Teknite Cave 2F	Cave	65–80	10 %
640	Teknite Cave 3F	Cave	65–80	10 %
645	Teknite Cave 3-4F	Cave	65–80	10 %
649	Teknite Cave 3-4F	Cave	65–80	10 %
648	Teknite Cave 3F	Cave	65–80	10 %
641	Teknite Cave 4F	Cave	65–80	10 %
644	Teknite Cave 4F	Cave	65–80	10 %
650	Teknite Cave 4F	Cave	65–80	10 %
669	Mirage Tower B1F	Cave	65–80	12 %
695	Tourmaline Desert	Cave	68–83	5 %

Appearances in Trainer teams

Show trainer names and Pokémon nicknames (these may constitute spoilers)

Level 35, holding Custap Berry, random gender, 70 friendship
Sturdy
Jolly nature

Moves

Earthquake (10 PP)

Stats
	HP	Atk	Def	Spe	SpA	SpD
	102	83	118	52	49	55
EVs	52	52	52	52	52	52
IVs	31	31	31	31	31	31

Level 35, holding Custap Berry, random gender, 70 friendship
Sturdy
Jolly nature

Moves

Earthquake (10 PP)

Stats
	HP	Atk	Def	Spe	SpA	SpD
	102	83	118	52	49	55
EVs	52	52	52	52	52	52
IVs	31	31	31	31	31	31

Level 34, no item, random gender, 70 friendship
Sturdy/Rock Head/Heavy Metal (?)
Hardy nature

Moves

Heavy Slam (10 PP)
Metal Burst (10 PP)

Stats
	HP	Atk	Def	Spe	SpA	SpD
	92	73	107	39	46	46
EVs	51	51	51	51	51	51
IVs	10	10	10	10	10	10

Level 43, no item, random gender, 70 friendship
Sturdy/Rock Head/Heavy Metal (?)
Hardy nature

Moves

Heavy Slam (10 PP)
Metal Burst (10 PP)

Stats
	HP	Atk	Def	Spe	SpA	SpD
	115	93	136	50	59	59
EVs	64	64	64	64	64	64
IVs	10	10	10	10	10	10

Appearances in battle facilities

Holding Eviolite; Rock Head; Impish nature

Moves

EVs
	HP	Atk	Def	Spe	SpA	SpD
EVs	252	0	0	0	0	252