18
Never You have to catch the evolution
Your Aron will evolve at level 32 into Lairon.
Aron-->Lairon-->Aggron
Aron will most likely evolve at level 23 unless paralyzed
30
Aron evolves into Lairon at level 32.
Aron will evolve into Lairon at level 32, then into Aggron at level 42.
Aron evolves at level 32 into lairon .
Aron evolves into Lairon at level 32
To evolve Squirtle, train it to lv.16. PS- There is no Pokemon Crater Version game out.
you have to evolve aron to a aggron
31 lvl.