Rek Sai has a identity crises
RekSai is a champion who was released, easily one of the most broken champs in the game for her time, to then be nerfd buffd, reworked, nerfd, buffed and nerfd, and honestly I feel the core reason she is like this. Is for Riot has given her a identity crises.
By far her strongest ability combo was for her to dig into the ground, charge at the enemy team and knock a bunch of people up as she does her aoeQ and bite. Her ultimate was global and was dedicated to making her a wide range map threat. I also feel a lot of people enjoyed this ultimate, even when it felt useless.
However then her rework happened, where her knock up became single target only, and her ult became a "sticky" mechanic, where if a target runs away from her, she jumps on them. So clearly this is a goal to make her a single target focused diver. Here is where the identity crises comes in though.
1-You consistently nerf her tank version while buffing her AD version 2-She is is being changed to be single target focused but still has a AOE Q.
I believe Reksai rework was actually pretty good, but I believe it failed in the sense, where you went to soft with it. I believe if we want RekSai to be cooler, we should look at her Q and ask ourselves how can we make this a more "Duelist/diver" type ability.
For with her current toolkit and play style, players will still heavily prefer to play her as a tank, for the focus of surviving when engaging. The core trait that Shyvana and Hecarim, two of the most famous divers in this game share, is they have a ultimate that is dedicated to going ham, and they have a Q that is dedicated to fucking up their target. Hecas somewhat resembles Reksais but what makes it so good at dueling, is it's stacking passive and how it can be worked with Tri Force.
How to fix Reksai?
A: Give up on the AD version and bring back the tank version and give her a AOE knock up with her old ultimate B: Rework her Q and solify her identity as a diver