Dratini evolves on level 30 into dragonair.
Level 30
Get your dratini to level 36 ( i think.)
Dratini evolves into Dragonair at level 30.
Here are a few Pokemon that take awhile to evolve: Larvitar, Dratini, Wailmer, Beldum, Bagon.
Dratini will evolve at level 30.
You can not evolve a dratini with a stone but a dratini evolves in level 100
dratini evolves at lv.30
None, DRATINI EVOLVES BY LEVEL (30)
Dratini evolves into Dragonair, starting at level 30. Dragonair, then, evolves into Dragonite at level 55.
Dratini >level 30 > Dragonair >level 55 > Dragonite
Dratini evolves into Dragonair at level 30 by simply leveling it up.
30