Illaoi having her idol as an item
Ok so I don't know how the balance team feels on illaoi but i think you can give her idol as an item in the shop that works like victor but then it branches out into different items similar to the god from smite that had the acorn and depending on which upgrade she purchased it would give a different effect to one of her abilities.
That is option #1, the second thought is to make it like rengars necklace only when she tests a certain amount of people by landing and destroying their spirit she gains a bonus to her abilities. For this option I had some thoughts:
Q: increase the healing or possible slam speed
W: increased range
E: if the spirit is destroyed the target is rooted.
R: players caught underneath her ult radius when she slams the ground are also stunned for 1 second.
This is all just idea and feedback is appreciated I thought of this because I really would like to see illaoi played more in both competitive and in the regular player base because she is a wonderful champion both thematically and in game I just feel she needs a little love outside of the buffs that did improve her a lot but still it would be interesting.