I know I'm late to this party, thanks to my awesome trip, but I'd like to give some feedback as well.
I do like the event, it's fun for me, both sentinels and the moon goddess fight.
The one thing I have an issue with… is fixed spawn points for ammo. This part is like the beginning of summer event with digging and mining. People being lazy and just camping at guaranteed spawn points. Yeah sure you can bring the ammo for the laser once the item spawns right next to you where you were doing absolutely nothing for the fight. I get it, not all classes or builds are suitable for just going to the goddess and smacking her in the face. Thus, the ammo idea is great.
Make the spawn randomized, please. Get people to at least tele around Neustadt to find the ammos. If you can't tele because you have something going on IRL, then maybe you should sit this run out instead of just leeching on everyone else's effort. The event happens often during the day so you do get a chance at participating actively. That's all I can think of as my feedback. Thanks. c: