Hello,
Here are my thoughts on the balancing project:
Ranger:
Skill/Mechanic/Class name: Quick reload / Skill range / Ranger
Problem: The extra range added is too big. Rangers have a good amount of gap closing distance with Shadow Chaser.
Numeric adjustment or possible solution: Remove 5 to 10 range at lvl 15. Rangers are already fast enough to gap close without needing some extra range.

i need my skill range to run away from big bad wolfs :C plis GM no remuve
example slayers will jump on me and i will be stunned and done for because anti stun for ranger has big cooldown
Just like an orbi, his movement speed is the slowest of all "archer" class, same goes for his anti stun who has a huge cd but is really a safetynet for his sorcs mates.
Every class needs a weak point to make it balanced, because if there is only strong points on a class then nobody can die or even if a class is really overpowered you would only see people using it, just like at some point there was only summoners/slayers/archers... because on selfbuff conditions those were almost unkillable, could pretty much dominate anyone and in the ancient hero dungeon they could even be the key of victory while now its more about team based content which any chars needs to blend in
Knight :
Problem : can't blend in any cast comp, because he has no debuffs that benefits the casters, but he also benefits from only swash/archer/slayer/mage debuffs, in a selfbuff condition cast knight is not even something you can even imagine because he would do the lowest damage ever seen as he debuffs only dodge and block (which does not benefits cast)
Possible solution : find a way to make it viable for cast as the server is turning all his content and fights around it now
Ignore ele resistence build :
Problem: there is no way to counter such a build
Possible solution: Make the ignore ele resi do the same as the ignore defence, go throught ele resi only and not any type of defence
Orbiter :
Problem : Out of all the archer classes it is the slowest one, full buffed it runs at 350%ms, do not forget it can be slowed and stunned while having no jumps to catch its target
Possible solution : make it similar to the summoner, but reduce the damage boost on Smart Sniper (like by half so it doesn't affect much its PVE/PVP situation that could make it underwhelmed compared to other class)