I forget 2o or 25.
i was having trouble finding this myself so i did some research and found out that skorpi evolves on level 40 =] glad i could help
level 40
Level 32.
Level 30.
level 26 ^^
On level 20.
Level 16
Level 16.
at level 32
At level 59
it will evovle at level forty-five
it evovlve's at level 24