You misunderstood the changes.
On a number of levels...
Let me explain per your concerns...
Quoted from the preview,
[i][b]"Dodging near an enemy now doubles this amount".[/b][/i]
So... 50. You need 50 and it will operate exactly as it did pre-EoF.
Everything else is objectively a buff.
It procs the regen, no matter what... now.
You only need 100 if no enemies are near... and pre-EoF, what happened?