First of all - sorry for poor english. You mod is fantastic both in design and graphical areas, but have some serious balance issues, imho. So these are my thoughts:
1. Crit effect - 10 is too much. 5 or 7 is better, depends on general crit chance. On this hero crits is common thing so 5 is enouth, imho.
2. Stats is okay.
3. For some strange reason debuff chance on most skills is 100% on all lvls. Monsters gain resistances on each lvl, so in late game this debuffs rarely to accure. Even enemies who have weakest debuff resistance have 50+ in champion, and many have 80+ This is very inconsistent. And imho it will make such skills harder to balance.
4. Short Controlled Burst - is ok, but slow is too big, while have this 100% on all lvl. Vs some enemies or with luck it super strong, and useless vs some. +10% per each lvl and -1\1\2\2\3 slow seems much better. But even without slow this is good skill. After all - not every skill must have some unique effects.
5. Scanner Scope - almost useless skill. Dodge debuff is good thing, but with 100% chance... Yeah. -70% moveresist is useless vs normal enemies - simply cuz they dont live long enough. And most of them can be moved without extra skill for this. After all - pull is not stun or something like it, thisi s weak effect most of the time. Especially cuz enemies can move from unwanted position. BUT! Drowned Crew will be breaked by this skill. - You put on this hero + debuff trinkets and spam this skill. And BH with +move skill chance trinket(s) spam his hook on crew. Guaranteed pull, wich is destroy main boss mechanics. Better to remove this debuff comepletely.
In general this skill is situational at best - if you dont have destealth from over sources and have stealthy enemies. But vs such enemies you have much better options, like arbalest or shieldbreaker. All of this make Scanner useless in 99% situations and gamebreaking in this 1%. My opinion - increase debuff chances to normal lvl, remove or nerf moveresist debuff, and maybe nerf defence debuff - 34 is slightly over the top, imho. And add something userful vs enemies without high dodge. -10\13\15\17\20% prot for example. Or +% crit taken.
6. Electroplasmic Overcharge - early one its punishing, later its incredible strong skill. Maybe decrease stress at early lvl, but nerf damage at later lvl? Feels kinda bad then skill just smash hero early one, this is for example abom transform have -8 stress on all lvls.
7. Attractor Beam - useless early one, okay later. Simply cuz you always shuffle yourself al lvl 0 and never at lvl 5. Same thing as with overcharge, but worse - hero give moveresist per lvl after all. And again - with debuff apllied this is really strong, without this is "meh" skill. Maybe remove shuffle, decrease and improve debuff and in general make this skill more simple? Sometimes this is better solution, imho.
8. Nucleo-Protonic Ray - BOY OH BOY, this is why this hero 100% broken. -15% damage on first 3 ranks with 4-6% crit, highwayman base hero lvl of damage, several damage buffs inc free action one? No way this is balanced, even on champion lvl this is annihilate first 3 ranks, most of times with 1+ crit. And if enemies especially tough - any aoe (highway, doggo, shieldb, any) will clear them. Who cares about damage debuff after this? This is "Press X to win" for almost any normal encounter. Nerf it please and nerf it hard. Something like -50% or -40% damage mod on first 3 ranks with -6\5\4\3\2% crit (or even -9-5). In return you can nerf his debuff - make it weaker, or affect only this skill.
9. Goligher Cage - sorry, but this is 100% useless spell. Interesting design, great visual, but you dont want to use this. HUGE stress nuke on whole party, strong stress debuff on this hero, and what in return? Good debuff, even with per lvl % improvement! But only one use. And shuffle, wich is random thing and can be userful or useless. Damage debuff is kinda weak, cuz you want this thing mainly on repeatable skill, like on occult or leper, to stack debuff on some tough enemies with huge damage attack (swine king, giants, etc). -9 speed is good indeed. But instead i can take MAA with bellow, wich have -7 without stress nuking. And its enough most of the time. If not - i can use bellow again and again.
IMHO this skill need complete rework. Also this is why this BIG BADABOOM skills, like protonic ray, cage or jester finale is hard to balance.
10. Photonic Flash Flare - okay skill if you can proc debuff. So again - i hope you will improve debuff chance. But maybe you also decrease duration from 3 to 2. Cuz right now if you can guarantee to proc debuff - you can spam it with heroes like shieldbreaker or highway, and give some tough enemies (mainly bosses) 3 stacks of -3 speed and -22 acc. Wich will destroy most of them. Also, this is why arbalest have same 2 rounds duration with slow hero base speed on Suppressing Fire.
11. Items - Focusing Lens maybe need a slight nerf - to +20 or 25% of damage. +30% is way to huge, imho. Crimson Court set is ok early one and i like idea with self damage. But no ACC buff make this set useless on this hero on champion lvl. Maybe switch set bonus to +ACC? its not very original, but he dont need this vs ghosts buffs tbh, even then he fight them. Every over item seems ok, maybe only safety googles is kinda weak - they dont provide much for the huge cost of -5ACC. Maybe minus some dodge instead? And sadly - i dont have mechanism yet, cant tell anything about it.
12. Ectomorphs - great in general. One HUGE minus - filthy soul early one have way to much horror. -3\4 on lvl one? This is to strong. Madman have this on single target nuke and you cant have 2 madmans in group. But you can have 2 souls, which is really tough early one cuz they can SPAM this ♥♥♥♥. First my encounter with them was night ambush, where they use this skill 2 times each. This put all 4 heroes from 0 stress to above 100. Make it 1\4-2\4-\3-4, cuz right now its super madmans on steroids.

Hope it will help balance this great mod. And hope it you will keep working on it!