Talk:Gastly/@comment-68.102.188.26-20120106002803/@comment-4700359-20120106002929

It doesn't evolve only at level 25. Level 25 is just the lowest level at which a Gastly will evolve. Just level yours up once and it should evolve into Haunter. To evolve Haunter into Gengar, put it up for trade, then take it back down again.