[InsainArcaneBirdbrain]

I'm not too fond of the idea of adding luck back into the evade/hit equation after the adamant desire to remove it wholesale. I feel we've sort of bled that pig.

However I think upping crit to 1.5% per level would be a substantial enough change to get more value from it as a stat if we need to change it's base worth.

Moreover I think that with how luck overall has been devalued you up it's viability by increasing the potency of lightning crits to some degree. Likely some talent changes to amplify their damage and or frequency would be a start. 

I also want to say I'm against kneecapping stats in general, when I think the point should be to bring he value of points up rather than down.

Upping lightning crit potency is a possible route, though the main issue with that is the fact that not every lightning spell can lightning crit (Most cannot in fact). As for lightning crit chance itself, since weapon crit mods aren't factored, lightning critting without evoker can be rather difficult against another basic attacker's crit eva (and Liches even if you have Evo) taken into account. Raising the base amount of crit given by luck does bring up the concern of devaluing crit eva a fair bit, though how much this matters is a bit hard to say given the number of varying scenarios and builds one can have. 

The primary issue I feel with luck currently is that it's too build-specific in its current form, as in literally only helpful for crit builds whereas every other stat gives a minor bonus that can be taken advantage of in general use cases. To elaborate with the non-defensive stats:

STR scales a lot of weapons, but it also gives a minor HP bonus and BW buff everyone can use.
WIL gives FP, ele atk, scaling, inflict, AND skill slots. Every build can take advantage of one or more of these.
SKI is needed for hit, but also gives status inflict, crit, and skill slots.
FAI gives blessed hit, is the non-luck crit eva stat, gives FP, gives status res, and increases devotion DR. If you just want crit eva, you build this and not luck.
GUI is mostly just for basic attackers and gun/dagger users, BUT it still gives skill slots and flank hit for everyone. It's a bonus usable by everyone, and is a niche no other stat fulfills.
SAN fuels racials, but even races that don't benefit don't mind having it as the largest per point source of status res, and a bit of extra HP/FP.

LUC provides crit (and is a basic attacker's main source usually), and crit eva. As you can see, there's almost no reason to run this stat on any non-crit build, as the one other utility it provides in crit eva is so completely overshadowed by FAI. Even for basic attackers, they avoid running more luck than they absolutely have to these days as the stat itself provides such little value per-point for investment past softcap that it's just a tax stat for basic attackers.

While Luck shouldn't be tied to hit/eva at all, since that conficts heavily as we saw in the past with the glance system, I believe it's in need of something that's universally helpful to all builds in some capacity rather than just crit-attackers. Whether that be inflict/status res, or something else completely is up for debate though.