Article Writing about Online game related product

I want to promote a online RPG game related product,it is about a manual revealing how to rank high quickly in the game,so I want someone to write some articles for me and post them to popular article site or high pr blog,makeing backlink in articles pointing to my site. You need: 1-have some experence in RPG online game 2-basic seo knowlage=> on niche keyword,Do me a keyword suggest before you starting writing based on my product, So the Article you write can be searched easily 3-Good writing skill,you must write it in high quality and unique!,don't copy it from google or any other place Before I choose you as a winner: please write a short article (100-200 words) about any popular online game you know(non RPG is ok), to attract people to buy your guide book about it （I assume you have a book for sell）and tell me What is you acceptable price for each article (about 250 words) or give me a detailed plan about your working