On top of all that, you also have to look at a lot of the clunkiness of SCH compared to its counterpart, Sage. I've touched on it a bit when talking about how Gall heals are used for MP, and will always be used. However, another important thing that is annoying is comparing Kardia and Embrace.

The issue with the pet is that you can not control who she uses Embrace on. Usually, you can place her on the tank and it's okayish, with the majority of Embraces going to the tank. That being said, it adds another layer of frustration when you consider that Sage gets to micro Kardia onto whoever they want, allowing them to effectively min/max healing to their heart's content. Eos doesn't know that the BRD needs another 6,000 HP to survive the AOE that is about to channel. She'll heal based on her pea brain AI, which will either go on a random DPS, or the tank who is within survival threshold already. SCH is forced to adjust to the stupid AI of their fairy, Sage gets to avoid that.

It is very frustrating that they took away our ability to control Embrace, especially now that Sage has effectively the same thing as the old micro Embrace, but even more responsive.

So how would I solve the issues given above? A few things.

Delete dissipation. Make Fey Illumination 20%, which makes that skill feel a lot more impactful. Alternatively, delete dissipation and make Fey Illumination 10% or 15% on healing received from healing actions, which would make it apply to all of the heals in the SCH's kit.

Delete current Energy Drain. Make it work as a reward for using Aetherflow based heals. You have a free weaving spot after every Broil now. Energy Drain stacks become obtained by using aetherflow heals. Have them on a charge system, almost like Ruin IV.

Add a buff that you can put onto a party member that makes Eos focus them, be it in general or after they get below a certain HP threshold. That allows you to micro Embrace somewhat without needing to click an embrace macro or place cancel like Stormblood.