Aspect of the Serpent is extremely unrewarding, please give Cass her old kit back.
All we cass players wanted were bug fixed and QoL changes, not this whole rework.
Aspect of the Serpent is on paper, a cool passive. But then you look at her ratios and wonder
"Why would I want to wait until 45 minutes to be a force to be reckoned with?"
Even if you manage to cap your 400 stacks around the 25 minute mark it really doesn't help too much. You don't have the AP from items you need in order for the bonuses to kick in and make you more powerful. The build path is very expensive and takes a long time to get rolling.
Not to mention Cassiopeia is very immobile and squishy so what good is 900 AP if you die when you get sneezed on. A good Cass has great positioning, but a good Cass could also utilize the old kit much more effectively than the new one.
High skill cap yes, but there's no point in playing a champion with a high skill cap if the champion isn't even good when played correctly.
OLD CASS OR RIOT