DNC:
-Remove the channeling aspect of Improvisation, have it apply the full shield effect immediately on use to anyone within range.
MCH:
-Remove the channeling aspect of Flamethrower, and do something interesting with it. Maybe make it an OGCD that applies a DoT that gets a damage boost from using Bioblaster prior, or something. Alternatively, unlock Flamethrower at a lower level, and have it upgrade into Chain Saw later.
-Auto Crossbow reducing Gauss Round/Ricochet cooldown.
-Overall, have more of MCH's abilities effect one another. It has an awful lot of isolated skills with plenty of room to put in some cool mechanics.
-Either: Less focus on double-weaving during Hypercharge – OR – Remove the hasted GCD effect from Hypercharge. This is a subjective one. Tiny fluctuations in ping can make double-weaving during Hypercharge very janky for me due to it's decreased GCD, which feels bad because I'm overcapping on Gauss Round/Ricochet very easily if I'm not double-weaving. Kreyd's suggestion of combining Gauss Round and Ricochet would solve this as well.
-AoE battery spender.
-Give Wildfire an AoE splash.
-Give me some official way to change the animations for Split/Slug/Clean Shot back to their un-heated versions, please. The wicked sick flip trick shots they upgrade into just don't do it for me.
-Again, unironically, give me ammunition back.
RPR:
-Make Shadow of Death generate at least 10 Soul Gauge on use.
-Being able to maintain Soul Reaver stacks when using other abilities. Currently, even using Blood Stalk/Grim Swathe will eat the stacks from Gluttony, which is so wildly backwards it baffles me.
-Have some method of passively generating Harvest Moon over time in combat. You could still Soulsow during downtime to speed up the process.
-I'd like if Enshroud window felt a little more impactful. As is, it goes by so quickly that half of both Void/Cross Reaping's animations are getting canceled by each other. Regardless of actual damage output, I'd like if it at least felt like it was hitting a tad bit harder.
Viper:
-Please god, don't give it a hasted GCD. Plenty of DPS already utilize speedy gimmicks, and my favorite jobs tend to be ones with "normal" GCD speeds with double-weaving to give those satisfying high APM windows.