To try to introduce an idea that is absent of negative outlook on current flavour of the month topics, I present to you an idea that had come to mind last night.

One possibility that would be fairly interesting I think (but doubtful they'd do it) is to incorporate a duty trial with the entity sealed in Eurika using Eurika mechanics (L actions + magicite buff)

Obviously a great many people would dislike the idea I'm sure but it would be a unique opportunity to reward those that slog through the content and could help extend the lifespan of Eurika post 4.55

With L actions and buffs via magicite it could lead to some rather interesting strategies.

As for what it would reward, I really can't say. But it's easy to see them adding a card/mount as they have added 2 mounts and 5(6?) cards to Eurika thus far.

Eurika isn't for everyone. And most people don't like It, but just because you don't quite fancy It, doesn't mean that those who have put in the work shouldn't get some kind of payoff for the nontrivial amount of time spent in this content.