Mega Aggron is Aggron's Mega Evolution with Aggronite. It is Steel type, where Aggron is Steel/Rock.
Ability 1FilterAbility 1Decreases damage taken from super-effective moves by 1/4.
630HP70Attack140Defense230Speed50Sp.Def80Sp.Atk60
Aron
Lairon
Aggron
Mega Aggron
Weak to
Immune to
Physical
Wallbreaker
50Speed · Slow

Mega Aggron vs Aggron

Aggron
Mega AggronBattle only
  • SteelRockTypeLosesSteel
  • 70HP=70
  • 110Attack+30140
  • 180Defense+50230
  • 60Sp. Atk=60
  • 60Sp. Def+2080
  • 50Speed=50
  • 530Total+100630
  • SturdyAbility 1Filter
  • Rock HeadAbility 2
  • Heavy MetalHidden

How to get the Aggronite in X & Y

  • YFindCyllage CityRequires an upgraded Mega Ring

    On the back wall of the Cyllage City Gym (post-game, between 8:00 and 8:59 PM; requires an upgraded Mega Ring)

See Aggron

How to Get Mega Aggron in X & Y

No wild encounters for Aggron. The 3-stage chain runs through Aron, which you can catch at moderate rates from the locations below. Evolve at level 42 once you've got the levels.

X Exclusive: Trade with Y for Tyranitar. See every X & Y version exclusive

How to Obtain Aggron in X & Y

To get Aggron, start by catching Aron through special encounters at Lv. 24. The chain covers 2 catchable stages before reaching the final form.

  1. Aggron
    Step 3Aggron ✓
    BREEDING
    Available
    Leave a compatible parent at the Pokemon Day Care to receive a Aron egg.

How to Get Shiny Mega Aggron in X & Y

A shiny Aggron becomes a shiny Mega Aggron when it Mega Evolves, so these are the routes to Shiny Aggron.

In X & Y, the strongest route to a Shiny Aggron is PokeRadar Chain, which reaches about 1 in 100 at full boosts. Shininess carries through evolution, so hunting an earlier stage and evolving it counts too. Pick a method and tune your setup below to see live odds. Compare Shiny Aggron odds across every game

Normal vs Shiny
Normal Mega Aggron in X & YNormal
Shiny Mega Aggron in X & Y Shiny

Shiny Aggron Evolution

4 Forms
Showing shiny artworkView Full Evolution Chart

X & Y Shiny Aggron Calculator

4 Methods
Fastest Path

The best route is PokeRadar Chain at full boosts, about 1 in 100 on each try. Tune it below.

Step 1 · Encounter Method4 in X & Y

PokeRadar Chain: Chain shaking-grass patches without breaking the combo. The rate peaks at a chain of 40.

Horde Encounter: Every horde throws five Pokemon at you at once, so each battle rolls five shiny chances in one encounter.

Masuda Method: Breed with a parent from a different-language game. Works on any breedable line.

Full Odds: Walk through grass, surf, or fish. Every encounter is its own independent shiny roll.

Step 2 · Boost Your Oddstap to add
+2 rolls
00

How many you have done, or plan to do.

120,000
Shiny Odds Per Try1 / 100PokeRadar Chain
Chance By Now50.0%at 69 encountersAbout 5 in 10 hunters have one by now
What To Expect
ChanceEncounters
10%lucky few11
25%one in four29
50%coin flip69
90%very likely230
How is this calculated?

Every encounter has the same shiny chance, the Shiny Odds Per Try shown above. Each one is a separate roll that does not care how many you have already done, so the more you hunt, the higher your overall chance of at least one shiny. The formula below turns your odds and your number of tries into that combined chance.

chance after N tries = 1 − (1 − p)^N,  where  p = 1 / odds per try

Example at 1 in 8,192 (classic full odds): about 864 encounters for a 10 percent chance, 5,678 for 50 percent, and 18,862 for 90 percent.

The table above flips that around: it shows how many encounters it takes to reach a 10, 25, 50, and 90 percent chance at your current odds. Turning on boosts like the Shiny Charm, sandwiches, or chains improves your odds, so the encounter numbers drop.

These are estimates, not promises. Most games have no pity counter, meaning no guaranteed shiny no matter how many you hunt, so even Very Likely is not guaranteed: some hunters find one early, others go well past that point.

Where these shiny odds come from: Read our full methodology

For time estimates and charm math, open the X & Y shiny odds calculator with Aggron already selected.

Mega Aggron Weakness

Type-wise, Mega Aggron takes extra damage from Fire, Fighting, and Ground. Poison moves do nothing thanks to a full immunity. 10 resistances give it solid defensive coverage on top of that. Filter reduces SE moves damage, further improving the defensive spread. Mega Aggron's physical bulk (base 230 Def) helps cushion physical weakness hits, but special attackers are the bigger threat.

Mega Aggron Weakness and Resistance Chart
DamageTypes
2x (Weak)Fire, Fighting, Ground
0.5x (Resist)Normal, Grass, Ice, Flying, Psychic, Bug, Rock, Dragon, Steel, Fairy
0x (Immune)Poison

What is Mega Aggron Weak Against

Excellent
3Weak
10Resist
1Immune
Score+7
4xCritical
None
¼xResist
None
0xImmune

What is Mega Aggron Strong Against

3Strong
4Resisted
0Immune
Score-1
2xStrong
0xImmune
None

Best Pokemon Against Mega Aggron

Chandelure
Chandelure
GhostFire
B
Pyroar
Pyroar
FireNormal
C
Gurdurr
Gurdurr
Fighting
C
Heracross
Heracross
BugFighting
B
Sawk
Sawk
Fighting
C

Mega Aggron Evolutions

Aggron is the final form in a three-stage chain from Aron through Lairon. Evolving from Aron gave Aggron the biggest boost in Defense (+80), bringing the total to 530 stats. In battle, Aggron holding Aggronite Mega Evolves into Mega Aggron. View every chain in the Evolution Chart.

How to Evolve

4 Forms
Aron
#304Aron
32
Level 32
Lairon
#305Lairon
42
Level 42
Aggron
#306Aggron
Aggronite
Mega Aggron
#306Mega Aggron
Stat Comparison 4 Stages
Aron
SteelRock
Lairon
SteelRock
Aggron
SteelRock
Mega Aggron
Steel
HP
50
60+10
70+10
70
ATK
70
90+20
110+20
140+30
DEF
100
140+40
180+40
230+50
SP.ATK
40
50+10
60+10
60
SP.DEF
40
50+10
60+10
80+20
SPE
30
40+10
50+10
50
BST
330E-Tier
430E-Tier+100
530C-Tier+100
630C-Tier+100
ROLE
Balanced
Trick Room
Balanced
Wallbreaker
TYPE
Physical
Physical
Physical
Physical

Mega Aggron Moves in X & Y

Moves List

Mega Aggron uses Aggron's moves: learn them before it Mega Evolves.

Hard to wall, honestly. Mega Aggron threatens 13 types beyond its own STAB, with Normal and Ground standing out. Pair that with Iron Tail and Iron Head and switchins need to think twice.

Level-Up Moves

Lv 1
Harden
D——30Normal
Lv 1
Headbutt
C7010015Normal
Lv 1
Mud-Slap
—2010010Ground
Lv 1
Tackle
D5010035Normal
Lv 4
Mud-Slap
—2010010Ground
Lv 8
Headbutt
C7010015Normal
Lv 11
Metal Claw
C759535Steel
Lv 15
Iron Defense
C——15Steel
Lv 18
Roar-6
C——20Normal
Lv 22
Take Down
C908520Normal
Lv 25
Iron Head
B12010015Steel
Lv 29
Protect+4
C——10Normal
Lv 34
Metal Sound
D—8540Steel
Lv 40
Iron Tail
B1507515Steel
Lv 48
Autotomize
D——15Steel
Lv 57
Heavy Slam
D—10010Steel
Lv 65
Double-Edge
B12010015Normal
Lv 74
Metal Burst
B—10010Steel

TM Moves

TM
TM40
Aerial AceConnecting Cave
C60—20Flying
TM14D110705Ice
TM31
Brick BreakTerminus Cave
C7510015Fighting
TM78C6010020Ground
TM100———20Normal
HM01C509530Normal
TM97
Dark PulseRoute 15
D8010015Dark
TM28C8010010Ground
TM32
Double TeamAnistar City
———15Normal
TM02
Dragon ClawVictory Road
C8010015Dragon
TM82
Dragon Tail-6Lumiose City
C609010Dragon
TM26
EarthquakeRoute 22
B10010010Ground
TM42
FacadeDendemille Town
C7010020Normal
TM38D110855Fire
TM35
FlamethrowerAnistar City
D9010015Fire
TM91
Flash CannonKiloude City
C12010010Steel
TM56D—10010Dark
TM52D120705Fighting
TM21
FrustrationConnecting Cave
D—10020Normal
TM68B150905Normal
TM10
Hidden PowerAnistar City
D6010015Normal
TM01
Hone ClawsRoute 5
C——15Dark
TM15C150905Normal
TM13D9010010Ice
TM59
IncinerateBattle Maison
D6010015Fire
TM66—5010010Dark
TM98D4010020Fighting
TM17
Protect+4Parfum Palace
C——10Normal
TM18C——5Water
TM44C——10Psychic
TM05
Roar-6Battle Maison
C——20Normal
TM69
Rock PolishRoute 11
C——20Rock
TM80
Rock SlideCouriway Town
C759010Rock
TM94
Rock SmashAmbrette Town
D4010015Fighting
TM39C609515Rock
TM48
RoundBattle Maison
—6010015Normal
TM37D——10Rock
TM65
Shadow ClawGlittering Cave
C7010015Ghost
TM88C——10Normal
TM23
Smack DownBattle Maison
C5010015Rock
TM22
Solar BeamRoute 21
C12010010Grass
TM71
Stone EdgeFrost Cavern
C100805Rock
HM04
StrengthCyllage City
C8010015Normal
TM90
SubstituteAnistar City
C——10Normal
TM11C——5Fire
HM03D9010015Water
TM87
SwaggerBattle Maison
——9015Normal
TM25D1107010Electric
TM73
Thunder WaveRoute 10
C—10020Electric
TM24D9010015Electric
TM06C—9010Poison

Egg Moves

Egg
Egg
Body Slam
C8510015Normal
Egg
Curse
C——10Ghost
Egg
Dragon Rush
C1007510Dragon
Egg
Endeavor
D—1005Normal
Egg
Head Smash
B150805Rock
Egg
Iron Head
B12010015Steel
Egg
Reversal
D—10015Fighting
Egg
Screech
——8540Normal
Egg
Smelling Salts
—7010010Normal
Egg
Stealth Rock
A——20Rock
Egg
Stomp
—6510020Normal
Egg
Superpower
B1201005Fighting

Tutor Moves

Mega Aggron can't learn any Tutor moves

Base Stats

Mega Aggron has 630 base stats in total. Defense leads at 230, and Speed is lowest at 50.

Base Stats
HP70
C
Attack140
A
Defense230
S
Sp. Atk60
C
Sp. Def80
C
Speed50
D
Total630
Details
Growth Rate
Slow1.25M XP
Height2.2 m
Weight395.0 kg
Abilities
Filter
Decreases damage taken from super-effective moves by 1/4.
Filter reduces Super effective to ¾x

Mega Aggron Event Distributions

In X & Y, Aggron reaches players through one Mystery Gift distribution rather than a recurring giveaway.

These distributions give Aggron. Mega Aggron appears only in battle, through Mega Evolution with the Aggronite.

WCS2014 Commemoration! Aggron Gift!Jul 2014XYOmega RubyAlpha SapphireNot shiny
Lv 50 OT: WCS14K Cherish Ball Classic Ribbon
Moves: Iron Head, Earthquake, Head Smash, Rock Slide
from Jul 2014
Original name: WCS2014 기념! 보스로라를 선물!

Game Availability

Mega Aggron first appeared in X & Y and is in 5 games: X & Y, Omega Ruby & Alpha Sapphire, Sun & Moon, Ultra Sun & Ultra Moon and Legends: Z-A.

Explore

Was this page helpful?
Thanks for your feedback!
Want to tell us more?
What was most useful?
What could be improved?
Thanks for your feedback