Things that need changes
Im not the best player in the world but I sure as hell know that riot has no idea what they are doing
She does too many things too well and is too strong. Ultimate damage lowered so she can't burst as hard. knockback distance reduced so she can't self peel so easily.
R: Damage lowered to 200/300/400 from 300/400/500 Knockback distance lowered to 400/600/800 from 600/800/1000
She peels way to hard and makes her carries too strong.
E: Shield strength lowered to 60/100/140/180/220 from 80/120/160/200/240
R: Knockback distance reduced to 600 from 875
He can easily kill an entire team
Q: Bonus attack speed lowered to 20/25/30/35/40% from 30/35/40/45/50%
R: Range lowered to 750 from 850 Passthrough damage lowered to 30-50% from 20-40%
He is too good at everything
Q: Damage lowered to 60/100/140/180/220 from 80/120/160/200/240 Stun duration lowered to 1.25 from 1.5
W: Shield strength lowered to 0.5 per soul from 1.0 per soul
He can just ignore mages
Passive: Reduced magic damage taken lowered to 10% from 15%
Q: Shield strength lowered to 30/60/90/120/150 from 40/70/100/130/160
W: mana restore lowered to 3/4/5/6/7% from 4/5/6/7/8% of missing mana
He used to be a perfectly fine champion now hes a balance nightmare
Rework reverted
His hook is way too strong giving more counterplay to it
Q: Projectile speed lowered to 1600 from 1750
A cocoon can almost guarantee a free kill
E: Stun duration lowered to 1.2/1.3/1.4/1.5/1.6 seconds from 1.6/1.7/1.8/1.9/2.0 seconds
She has too much peel
R: knockup removed

Active: Shield absorption increased to 60-550 from 60-434 Bonus health scaling on shield removed
It is cheaper than every other jungle item and is much better than the rest of them
price increased to 2625 from 2500
These are some of the things that I believe need changes.