I really don't mind the whole "Removal on death" thing since it actually forces the player to keep doing well if they want to keep the snowballing effect going as they pick up more and more blood rose elixir (I think you can get 3 in Act 1?)
But I have no idea why they added the whole "Remove All buffs" part to "The One Arena" teleport function. What exactly does this accomplish outside creating issues for later content? Every other teleport in the game doesn't do this. Only "The One" does it. Is it to remove the 50 turns magic shield at the end of the fight?