Board Thread:General Discussion/@comment-10870829-20130623222254/@comment-81.80.208.70-20140202193322

Stamina regen, as for Magicka and Health regen, works on a % of your total Stamina pool. So each time your Stamina pool increases, so does the rate at which it is regenerated.

Let's take a base magicka pool of 100. Magicka regen rate is 3% per second out of combat, meaning you regen 3.33 magicka each second. You are given choice between 2 headgears: one gives you 50 more magicka and the other 50% more magicka regen. 50% more regen seems better right? Wrong. If you wear the headgear that gives you 50% more magicka regen, you now regenerate 4.5 magicka per second. If you wear the headgear that gives you 50 additional magicka, your total pool is now 150 which is 50% more than it was before. As consequence of this, your magicka ALSO regenerates for 4.5 Magick per second which is 50% more regen than you had before as well.

In conclusion: everytime you increase your Health/Stamine/Magicka pool, your H/S/M pool which is based on a % of your total pool increases as well.