Reporting Mr. Fox Boosting

Scammer's profile link: Mr Fox
Explanation of the trade: Ordered a boost of League of Legend from Diamond 5 to Diamond 4, 90$
How they scammed: Did few worst matches with leaving penalty and totally forgot my order, it's been a month since I ordered this.
Proof that it's their Skype: I ordered on their website in their forum's signature, no Skype pm.
Skype profile ID & conversation pictures:
Other relevant trade screenshots:

 

why did you take a month to report this? @ninjaduy1

going to leave him unbanned until he gets back. im not sure if the site in his signature is his site or just one he's advertising for. essentially not sure he's personally liable for this

 

@Mr Fox