Mega Aggron
Steel
Best attacking moveset: Dragon Tail and Meteor Beam, worth 13.3 damage per second against a neutral target.
Best moveset
Mega Aggron can learn 20 combinations. Dragon Tail with Meteor Beam does the most damage per second of them, at level 40 with a perfect attack stat. Same-type moves get the 1.2× bonus, and the cycle assumes the charged attack fires the moment it has the energy.
Stats and moves come straight from the game's own data files. Every number on this page is a raid and gym number, not a PvP one.
Type matchups
| Fast attack | Type | Power | Duration | Energy |
|---|---|---|---|---|
| Dragon Tail | Dragon | 14 | 1.0s | +8 |
| Iron Tail | Steel | 14 | 1.0s | +6 |
| Metal Sound | Steel | 4 | 0.5s | +6 |
| Smack Down | Rock | 13 | 1.0s | +7 |
| Charged attack | Type | Power | Duration | Energy |
|---|---|---|---|---|
| Heavy Slam | Steel | 70 | 2.0s | -50 |
| Meteor Beam | Rock | 140 | 2.0s | -100 |
| Rock Tomb | Rock | 65 | 3.0s | -50 |
| Stone Edge | Rock | 105 | 2.5s | -100 |
| Thunder | Electric | 100 | 2.5s | -100 |
Shiny
Shiny availability is tracked for Aggron as a species, on the Aggron page.
Other forms
Evolution family
Numbers
| Max CP | 4,705 at level 50, 4,162 at level 40 |
|---|---|
| Raid catch | 2,378 CP at level 20, or 2,973 if weather boosted (perfect IVs) |
| Lowest possible raid catch | 2,284 CP. Raid encounters can't roll below 10/10/10 |
| Base stats | 247 attack · 331 defense · 172 stamina |
What it costs
| Second charged move | 10,000 Stardust and 25 Candy |
|---|---|
| Buddy distance | 1 km per Candy |
| Purify a Shadow one | 1,000 Stardust and 1 Candy |
| Size | 2.11 m and 360 kg |
Best moveset against each type
Mega Aggron does not have one best moveset, it has 6. Which one wins depends on what you are attacking, because a move only gets its bonus against something weak to it. Best against Ice, Rock, Fairy.
| Against | Best moveset | DPS |
|---|---|---|
| Ice | Iron Tail + Meteor Beam | 21.2 |
| Rock | Iron Tail + Heavy Slam | 20.5 |
| Fairy | Iron Tail + Heavy Slam | 20.5 |
| Smack Down + Meteor Beam | 18.4 | |
| Bug | Smack Down + Meteor Beam | 18.4 |
| Fire | Smack Down + Meteor Beam | 18.4 |
| Dragon | Dragon Tail + Meteor Beam | 16.8 |
| Water | Dragon Tail + Thunder | 13.7 |
| Normal | Dragon Tail + Meteor Beam | 13.3 |
| Poison | Dragon Tail + Meteor Beam | 13.3 |
| Ghost | Dragon Tail + Meteor Beam | 13.3 |
| Grass | Dragon Tail + Meteor Beam | 13.3 |
| Electric | Dragon Tail + Meteor Beam | 13.3 |
| Psychic | Dragon Tail + Meteor Beam | 13.3 |
| Dark | Dragon Tail + Meteor Beam | 13.3 |
| Fighting | Iron Tail + Heavy Slam | 12.8 |
| Ground | Iron Tail + Heavy Slam | 12.8 |
| Steel | Iron Tail + Thunder | 9.1 |
Same maths as the headline number, run once per defending type: level 40, perfect attack IV, and the target's own type taken into account. Sorted by damage, so the top of this table is what Mega Aggron is actually for.
Counters: what beats Mega Aggron
| Attacker | Type | Moveset | DPS |
|---|---|---|---|
 Blacephalon | FireGhost | Incinerate + Mind Blown Legacy | 21.0 |
 Lucario | FightingSteel | Force Palm + Aura Sphere Legacy | 17.8 |
 Reshiram | DragonFire | Fire Fang + Fusion Flare Legacy | 17.5 |
 Pheromosa | BugFighting | Low Kick + Focus Blast | 16.3 |
 Terrakion | RockFighting | Double Kick + Sacred Sword Legacy | 16.3 |
 Blaziken | FireFighting | Counter + Aura Sphere | 16.1 |
 Chandelure | GhostFire | Fire Spin + Overheat | 16.0 |
 Cinderace | Fire | Fire Spin + Pyroball | 15.8 |
 Volcarona | BugFire | Fire Spin + Overheat | 15.6 |
 Darmanitan | Fire | Fire Fang + Overheat | 15.5 |
Ranked by damage per second against Mega Aggron's own defense, at level 40 with a 15 attack IV, one per evolution family.