Cassy current state (from a player view):
Starting the game without (yeah, the word is without cause you gotta farm for it) a passive hits hard, and more, to a no-mobility/mana starving champion like Cassy. You can make 1000 tweaks, scalings, etc. But one thing is sure: it won't work. She needs something to work with FROM LVL 1, not @x-y quantity of stacks. And, currently, even if you manage to stack em, it does not give the impact it should be/felt considering the effort it requires. That's what needs an in-look 'experimentation' and its not getting it.
My personal insight of WHY its not working (with the stacking passive idea at the current state):
Game scales in different ways while progressing (with game - i mean an actual match) Champion diversity too behave abruptly at several stages of the match. This match has several states at which the current passive does not "adapt" - How's that? - The current goal of the passive is aimed for "powerbuilding" (as a type of hypercarry or w/e) without the assets to powerbuild properly (skills/itemization). Also, you CAN'T win a game with just RAW POWER; no, nor beginning without a passive. You need some kind of tool to defend yourself at the early stages (and its been assigned wrongly to Q, W & E), if not, it will not matter if the champion has power later in the game if it cannot reach that 'state' of the game then it becomes useless aswell.
Why is utility being left aside and make it rely on runes, and itemization?
Why is the power being left imprisoned in a passive-state-stack-reliant manner?
Cause its what's happening right now if you ask me (we are talking about passive only here). The buff utility on her E about healing an amount was nice (using this as reference of good idea), certain itemization still would allow this without that utility buff, but was nice as an addition to her E rework. However, we still stuck with a non-working-lvl-1 passive; meaning: not useful for competition. Where even the slightest difference becomes a huge difference.
Why then, is not more utility added instead of RAW power? The only utility thing is the 25% cooldown and it was not necessary. When the player reaches these quantity of stacks needed, you will only get a 'meh' reaction from them. Passive screams: Not really useful utility.
You may have a lot of power, but if the power cannot be landed nor reach its target, nor even be properly acquired, it becomes then, useless. And that's what's happening at ALL the levels/states of the MATCH. Even if you stack the proper quantity, it may not be the proper time of which its usefulness should have appeared. In a more easy to digest manner: "you can farm the quantity in 2025 min, or you can farm the quantity in 4050". What does it means? you could have a great match, and being "at date" with the amount of stacks needed, or you could be "left behind" and suffer a painful game-thru for full-filling the stack request. Without mentioning that "you begin the match with no passive". While in example, other champions ALREADY have their passive UP and running from level 1 to the end of the match.
Also, her current poke-damage [Q] makes her unavailable from level 1. Not enough presence in lane. Not enough fear. Can be poked easily, out scaled, out damaged. Without mention she is considerable more hard to learn/use (than fizz for example), and, not getting as much reward for playing her in a overall view.
All im saying is: she needs a very deep-sharp-mind-gameplay insight, cause currently, she has no means to be picked. At all.
