Except it doesn't reduce by 5% on PTS, it increases by 5% and it certainly shows on the Character screen the added Magicka pool when you turn on Magelight. That's why I asked PTS or Live.lolo_01b16_ESO wrote: »565 magicka regen has to be on pts.
I just checked it myself.
Magicka Controller works perfectly fine for me, but you have to leave the menu for a few seconds so the character screen can update. If you just switch between skill menu and charackter menu, you won't see the magicka increase there.
As Magicka Controller stacks additive with other buffs you have to watch for your other buffs when calculating. It is:
magicka regen = base regen * (1+ (0.02 * number of mage guild skills) + other buffs)
The magicka reduction of magelight won't be shown on the character screen, your magicka just stopps regenerating at 95% of the maximum.