Frankly the idea sounded great... right up till the point where you wanted to name it after you. Three rings is never gonna name it after a specific player... lemme qoute a post from another thread.

"Its common for staff to avoid acknowledging suggestions for a number of reasons, including a few legal ones. Most forum goers have an unhealthy craving for validation, and it does escalate whenever staff responds to a particular post. But the legal matters tend to be more pressing. An idea posted in the forums doesn't grant them express rights to use that idea in the game, so it creates a grey area where someone could turn around and try to sue them for using the idea without permission. Unless the idea is rather generic (like the health bar), at best they take a concept out of the idea and modify enough to avoid that problem. But most of the time the ideas simply aren't solid enough to implement, or are just plain bad." ~Starlinvf

While an Arena or battleground idea IS generic enough to be implemented.. You're not gonna get it named after you. Secondly as far as i remember, you CAN challenge other guilds to a Lockdown battle, essentially providing almost the same thing you want to implement. the spectator idea, maybe - however ask yourself this; Is there a player famous enough to actually drag crowds to watch him/her fight another famous player? I somehow don't think so.

Another weakpoint to the idea is the fact that player battles rarely last more than a few seconds, play lockdown and take a look at how people either get slaughtered or slaughter. there's simply not enough health for us to have a point in fighting in an arena.

thirdly there's the problem of hosting it; let's say your idea gets approved and implemented, and as populare as you want it to be - imagine the lag of thousands of people fighting eachother one on one (thousand being an example, leading to 500 stages being rendered and connected at the same time - that's some major bandwidth sink).

tl;dr? Sorry, but computer says no..