Microsoft Office Word (Knowledge in making charts)
Knowledge of Uploading Image on Wiki
Taking Screenshots and renaming them (ie : Yuki's ice bomb.png)
Basically, if you have free time have the requirements above, just do the following :
Translated version of http://www13.atwiki.jp/lunia_war/pages/195.html#id_604c03f7
And start extracting data by using this format :
Take a screenshot and crop your picture as displayed.
Upload it on wiki (with the name of the skill).
And that's it