Here's a little something to consider before you change Cass, Riot.
http://i.imgur.com/j0KVNoI.png
How come a permabanned champion like Gragas remains entirely untouched by the nerfbat whereas an immobile, squishy champion like dear Cassie gets a rusty shovel over her head the second she sees competitive play? She's one of the easiest champions to shut down in the current meta due to the aforementioned counterplay she offers, you cannot deny that. She can be dealt with, it's by no means a herculean task if you have access to cc or burst.
Now about those changes you had in mind:
Aspect of the Serpent (Passive) 100 stack bonus' Twin Fang heal AP ratio reduced to .06 from .1
Twin Fang (E) mana restore on kill reduced to 1.5% from 3% of maximum mana.
You may not comprehend how devastating those planned changes are going to be once they go live. Since the rework, Cassiopeia heavily relied on her inherent sustain to get through the lanephase. The previous nerfs to her manacosts should have made that extremely clear, now can you imagine what happens if you halve her mana-income along with her health-gain?
She's not going to survive the lanephase if she's constantly low on resources - doesn't all of this sound familiar to you? That's exactly what was responsible for the lowest winrate to ever grace this game along with Azir's release. I'm talking about 4.16 Cassiopeia with her 27% winrate. She literally was unable to defend herself without risking to go oom thus enabling her opponents to destroy her without any fear of retaliation. This very same scenario is bound to very likely happen again if those nerfs go through, do you see my point?
Please, at least try to explain to us why you're doing this because so far we haven't heard a single thing from any of the reds or Stashu who's supposed to watch over her well-being. We merely want to have a transparent discussion with the people in charge of her future, after all the snakelady is very special to us.
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Revert her rework imo
Ps: This is just my opinion
& DFG do deal punish enemies for not building MR. Or instead you could play the subtle poking game and wear down the defenses of tankier individuals by substituting in
. Sure, you can still purchase Liandry but it is nowhere near as effective when you have to risk your bacon just to hit the tank with 3 Twin Fangs with puts your squishy mage ass in a autoattack range for 1.5 seconds. New Cass HAS to capitalize on her new passive by purchasing as much AP as possible in order to benefit from the % AP increase. It has shoehorned her build path into a singular build with maybe 1 exception to the clause being Rylai's since it's so good for her kiting.
Needs an honorable mention too.
