At level 36 it evolves into Sceptile.
Level 16
Level 36 he evolves into Sceptile.
at level 16 it will evolve to a grovyle and after that it is 36 to a sceptile.
It is your Starter only in Pokemon Emerald, Ruby & Sapphire Treecko evolves into Grovyle at level 16 Grovyle evolves into Sceptile at level 36
Zangoose learns it at level 55, Grovyle at level 53, Sceptile at level 59 and Nincada at level 25.
If it is Rival's Grovyle, evolve your starter a lot.
At Level 36 Grovyle Evolves into Sceptile the last of the evolution.
Grovyle evolves into Sceptile at level 36. You can delay Grovyle from evolving at level 36 and let it evolve at later levels if you wish.
It is not found in the wild, you need to either trade from Ruby/Sapphire/or an other emerald, or choose Treecko as your starter pokemon, and evolve it twice, level 16 for a grovyle and level 36 for the sceptile.
Grovyle evolves into Sceptile at level 36.
The only way to get Sceptile is by evolving Treecko to Grovyle, then to Sceptile, or evolving Grovyle to Sceptile. This is when they evolve: Treecko to Grovyle - level 16 Grovyle to Sceptile - level 36
Grovyle evolves to Sceptile at level 36.