Dominion was the replacement of Magma Chamber because they couldn't balance it. Riot said so themselves. Stop making false rumors.

I'd still like to see the concept art.

Dominion should be taken out, just like TT. They're both boring. Bring back real maps.

well when is magma chamber coming back =/ or a version close to it

why cant riot just take the exact same map of summoners rift and change the environment? not even the lanes just the environment as you do with the snowwhatever event. That's basic stuff i mean, don't they know we've grown bored playing the same map over and over for 2 years? of course they don't! after all they just bring out more and more characters and skins for profit!