Colisseum and Spotlight Are Terrible - For Now.
This is a truly bad event in the current context.
I think the Devs have forgotten that this is an entirely new game. Different characters, different currencies - hardly anything is the same. It was not even clear to me when I started my colosseum events whether attempts are cumulative or not. (FTR: They are not. Only one attempt counts per day, though it's your highest.)
But this is not the worst part about this. I have no strategy for upgrading my new Luke toon, because I literally have no idea where resources will come from nor how many I should expect. Can I buy spotlight currencies? Well it turns out that the game doesn't tell you, though with some investigation you can find out that era mats are for sale. I haven't yet found any of the Era Level Currency for sale, but it might be tucked away somewhere, concealing itself.
Then you have allies show up in your coliseum battle, but what Era Level are they? Do they increase with Lukes EL? What abilities are active? How much health do they have? I have no idea because they don't even pop up as borrowed units in the squad screen so I can inspect them before battle starts. The best I can do is use battle time to read ability descriptions, but his doesn't allow me to compare, say, physical damage and figure out which toons should use damaging specials first vs non-damaging specials. The abilities that we depend on in battle are deliberately concealed from us.
So now I'm playing a game mode that does nothing to improve my EL - or at least doesn't do anything visible - with no idea what a "good" score for my level might be and no easy way to plan strategies before entering combat.
Then let's talk about the Marquee event. Why doesn't this drop EL currency? I seen to increase my shards and thus my promotion level, but that has only the tiniest possible effect on play. I honestly couldn't see a significant difference between 3*/EL5 and 4*/EL5. An attempt at 3* reached 9% damage with a second attempt reaching 12%. The first attempt at 4* reached 15%, but the 2nd attempt reached 12%. How much of this is noise? How much is the promotion level? I have no idea bc I can't inspect stats and my number of attempts is necessarily going to be statistically insignificant.
So I don't know what I'm doing, I don't know where I'm going, I don't know how to get there, and I don't even know if I'm making good, average, or below average progress.
Congratulations, you've created a game mode that is the definition of useless button pushing.
STRONG suggestions:
Put out an actual tutorial that shows ppl what resources they're looking for, where to find them, what they should expect in rewards in the short term, and what resources that should ultimately provide in the longer term.
Don't force us to rely on toons we don't have and can't inspect. The rewards are all arbitrary anyway. Just scale the power of the enemy so that we get with just Luke what you had been planning for us to get with Luke + the borrowed toons, and then delete the borrowed toons. This way we don't have to learn an entire new team at once, we can focus on learning the kit of just one toon at a time, and we are also able to see what we have.
If ppl pay crystals for marquee shards, have the marquee events drop appropriate EL currency at higher tiers (beginning with the 4* tier). I want my characters to get better, and right now this doesn't show me any improvement at all bc shards matter so little compared to EL. So why isn't there a way to invest crystals toward better EL performance? The obvious way to do this is to make EL currency available to those who already invest in the existing shard-based marquee progression system.
If EL currency isn't available for crystal purchase, then allow us to search for a way to get EL currency and then present the null result the same way you do when we're looking for shards for a Journey Guide character whose event isn't available right now. That way we at least get an answer and aren't spending our time fumbling through every row of every store seeing if you've hidden it somewhere. After all, why would you sell mats without selling EL currency? And if you're not showing us, then it has to be hidden someplace, right? This is a recipe for driving your players mad. Do not do this.
Again, I don't know what I'm doing, I don't know where I'm going, I don't know how to get there, and I don't even know if I'm making good, average, below average, or bad progress.
What you've created is a guarantee that your players will hate this. Who wants to play a game when you don't know what you're playing for and don't even know when you've won?
This was clearly not ready for release.