Who is this character from Digimon?!

She's not from Digimon!. The image you gave is from an MMORPG called
Ragnarok Online!.
http://en!.wikipedia!.org/wiki/Ragnarok_On!.!.!.

Ragnarok images:
+http://e-shuushuu!.net/search!.php!?mode=se!.!.!. (hunter class)
+http://e-shuushuu!.net/search!.php!?mode=se!.!.!.
+http://images!.google!.com/images!?hl=en&q=!.!.!.
+http://moe!.imouto!.org/post/index!?tags=ra!.!.!.

The game was based from a manhwa!.
http://en!.wikipedia!.org/wiki/Ragnarok_(m!.!.!.

There's also an anime adaptation of the game!.
http://www!.animenewsnetwork!.com/encyclop!.!.!.
http://myanimelist!.net/anime!.php!?id=417

Ragnarok's official site (international) - http://www!.ragnarokonline!.com/Www@Enter-QA@Com

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