Aron will evolve into Lairon at lvl32. Then Lairon will evolve into Aggron at lvl42.
Lairon at level 32
Aron evolves into a Lairon at level 32.
Aron evolves into Lairon at level 32 and Lairon evolves into Aggron at level 42.
Level 30.
level 40
Level 32.
level 26 ^^
On level 20.
at level 32
At level 59
Level 16
Level 16.