What is Lairon's Pokédex number and type?

Lairon is Pokédex number 0305 and is an Iron Armor Pokémon, typically a Steel/Rock type in the video games.

Does Lairon evolve from Aron?

Yes, Lairon is a Stage 1 Pokémon that evolves directly from Aron.

What are the energy costs for Lairon's attacks on this card?

Steel Tackle requires one Steel energy, and Metal Claw requires two Steel energy and one Colorless energy.

What is the weakness and resistance for this Lairon card?

This Lairon card has a Weakness to Fire-type Pokémon (x2 damage) and a Resistance to Grass-type Pokémon (-30 damage).

Who is the illustrator for this Lairon card?

The illustrator for this Lairon card is takashi shiraishi.

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Card 121 — Twilight Masquerade Pokémon card

Card 121Twilight Masquerade #121 Pokémon Card

Twilight Masquerade·#121·2024

Lairon, the formidable Iron Armor Pokémon, is a Steel/Rock type from Generation III, serving as the middle evolution between Aron and Aggron, and is culturally significant for its robust nature. This specific Lairon card, numbered 121/167 from the 2024 Twilight Masquerade set, is a common variant and stands out for its unique artistic interpretation. Here, visitors will discover Lairon's intriguing Pokédex lore, the precise details of its attacks and their energy costs, its specific weakness and resistance, and the historical context of its edition.

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Card Number: #121
Language: EN
Set Code: sv6

Lairon, the Iron Armor Pokémon, is a Steel/Rock-type Pokémon introduced in Generation III, hailing from the Hoenn region. It is the evolved form of Aron and evolves into Aggron. Lairon are known for their formidable steel bodies and their habitat in mountainous regions, where they consume iron ore and spring water to strengthen their metallic hides. This unique diet and behavior make them crucial to the ecosystem of their rocky homes. In the Pokémon games, Lairon is often encountered in caves and mines, reflecting its deep connection to minerals and geological formations. Its evolution, Aggron, is a fan favorite for its imposing design and defensive capabilities, making Lairon an important middle stage in a powerful evolutionary line. Historically, Lairon have been depicted in Pokédex entries as coming into conflict with humans due to their territorial nature and the resources they consume, highlighting a fascinating aspect of their interaction with the world. Their robust armor provides excellent defense, making them a challenging opponent in battles and a reliable ally for trainers who value endurance.

Last updated: April 7, 2026