33 in Generation 5.
To get a Yanmega you have to evolve your Yanma. You can do this by teaching it the move Ancient Power, which it will learn on level 33. If you don't have a Yanma they can be found in the Safari Game.
To evolve a yanma you have to level up while knowing the move ancient power. At level 33 yanma learns ancient power naturally.
get a yanma and teach it ancient power when it levels up it will evolve You can find Yanma in area 3 of the Great Marsh, it evolves at level 33, but it needs to know ancientpower i believe, and Yanmega does not EVOLVE
Piloswine, Yanma and Tangela
yanma needs to know ancient power to evolve into yanmega. it will learn ancient power at lv 32 and lv it up again and it should evolve ino yanmega.
To evolve Yanma into Yanmega he must level up after learning Ancient Power. Yanma will learn the Ancient power ability at level 33.
level 33
Yanma learns ancient power at lv.33
Yanma can only learn Ancient Power in D/P (Diamond and Pearl), not in FR/LG.
it will learn it at level 33, If your's is already higher than level 33 then you can use the move tutor to make it learn it. After that just level it up and it will evolve. If your yanma is already level 100 then you are screwed, get a new yanma.
Make it learn Ancient Power.
To get a Yanmega you have to evolve your Yanma. You can do this by teaching it the move Ancient Power, which it will learn on level 33. If you don't have a Yanma they can be found in the Safari Game.
Yanma evolves into Yanmega once it learns ancient power and levels up. Naturally Yanma learns ancient power at level 33.
Make it learn Ancient Power
To evolve a yanma you have to level up while knowing the move ancient power. At level 33 yanma learns ancient power naturally.
yanma evolve in to Yanmega at level 33 when learns ancient power
Level up Yanma with the move Ancient Power