same way you get lvl 50 pokemon. its something called TRAINING!!!
in victory road at lv.38-lv.42
lv.11
LV:36
at lv 45
it evolves at lv. 26
lv 24
at lv 38
Lv 26
wynaut at lv. 5
lv.30.
lv 100
lavaridge town go there and bring your strong Pokemon the flannery the gym leader Pokemon are :slugma lv 26 slugma lv 26 and torkoal lv 28