If you're not one of the top 30/50 of the server, then the Ultimate Arena doesn't apply to you, and you have no business complaining here.

If you're part of the top 30/50 of the server, then look at the mechanics and the new techniques the Ultimate Arena presents. Learn those, perfect them, and take advantage of them before the other players do.

It definitely is not your walk in the park old realm arena now. It takes skill, patience, and knowledge to advance your ranking, and stay at that ranking.