recovery is < than reduction purly number wise so as long as its about sustain provided by jewlery enchantments i go for recovey. simply because its applied to every ability usage (once per second when i´m fighting) vs every two seconds for a severly lower value for reg-increasements.

Recovery stacks positively, more regen gives higher efficiency.
The effective increase depends on the CPs into regen, racials and gear.
A gold v16 regen glyph has a value of 169 regen but added 275 regen in my case.

Cost reduction stacks negatively, more cost reduction gives lower efficiency.
The effective increase depends on the CPs into cost reduction, racials and gear.
A gold v16 cost red glyph has a value of 203 cost red but decreased the cost by 198 in my case.

For pvp I would advise 2x regen and 1x cost red if you dont have sustain boni from gear and relative low CPs. The benefit of having 1x cost red is that your total regen value gets more effective, the cost that is reduced never has to be regenerated.

[Edit]

For max stats its better to get regen and cost red from gear and put 3x spell dmg on your jewelry.
Gear gives: 129 regen or spell dmg.
Jewelry gives: 169 regen or 174 spell dmg.

(spell dmg) 174-129 > (regen) 169-129 so spell dmg enchants are more potent.

I try to mix Regen and Reduction as evenly as I can. My Jewelry and CP go towards Spell Damage.

For enchanting my gear, I have a 5-piece Seducers set, and I always add on Max Magicka enchantments as the higher Magicka pool has its own benefits.

But if I have to err towards one over the other, I always go with Recovery. Getting my Magicka back faster is infinitely more beneficial in a protracted fight than having my spells/abilities cost less.

Nifty2g wrote: »

Cost Reduction gets diminishing returns, recovery doesn't.

^^^^^This. Recovery as a Healer Templar has saved me so much in PvP. Has keep me going when things get really dicey. This is what my CP is for. I use my CP to help bolster the lesser or 'minimum' aspects of my build, however also not ignoring Magic Recovery and buffs that effect all elements of my builds(like Spell Crit/Spell Dmg). Reduction is one of those things, I don't want to forge gear into imo.

100 CP into Arcane is wonderful with Mana Recovery Mundus buff slapped onto Twice born star. I'm sitting on something like 2.3k mana recovery with Repentance slotted on my Resto bar.

mixture of both

From the choices offered in a really kinda useless poll:
Dps Cost Reduction
Healer Regen
In my humble opinion.

I just voted to bring it back to 50-50.

s7732425ub17_ESO wrote: »

Khaos_Bane wrote: »

s7732425ub17_ESO wrote: »

Cost reduction applies every time you use an ability, which is likely once a second. Recovery applies every two seconds. And recovery has a smaller bonus than reduction. No real reason to ever use recovery over reduction.

Yeah there is, I think you need to read through this entire thread.

I read through everything. And no, there still is no good reason to go recovery over reduction.

There are many good reasons and many scenarios where magick regen provides more benefit than cost reduction but keep your head in the sand by all means.

Islyn wrote: »

From the choices offered in a really kinda useless poll:
Dps Cost Reduction
Healer Regen
In my humble opinion.

healer regen lol?
i guess you dont play a healer in eso... my heavy atks fill 40% of my magicka.
i will just take cost reduction

WillhelmBlack wrote: »

All 3 spell power. Why? Because recovery can come from your armour set bonuses, CP and mundus and cost reduction from CP.

What would you say if someone has no CP.