here it is guys a Arena Tournaments realm Source free Download below
let me know if the download link goes down ill upload it again!
Note: Not my work
Demo it here
Edit
I uploaded my modded db and of course fixes to the core and db so you don't have to change a thing if you perfer not to however don't talk to the donation npc unless its tied to your home page or it'll crash your realm links is below and enjoy.
Download