What anniversary should do is simply the opposite of last year.

An example of how could it actually be a good event? I'll give you one.

1) It should be there an event where you get rewards both by paying coupons and grinding, something like time limited shop but with at least a 3 times better ratio in the costs

2) should be added an event like the easter eggs

3) should be given out for free a useful ninja of our choice, for example the event in china that grants one of the 3 sannin era ninjas.

4) should be added a permanent feature useful both for whales and normal players, like for example kage ti.

5) should be added something like a world great tree together with some good high spending features so that if whales pay still the whole server get something out for free.