1. Final star can duplicate an item adjacent to it that is also on a dark petastal

1a. Possible block that can hold the star and the item?

1b. Possibly craft final star woth some other items to make a energy condencer like block that acts like the final star? And duplicates what item(s) are set

2.options to nerf final star in configs?
Like have it work only under the sun or under a certian y value or only in certain dimensions or all of the above?

Edit:2a: more possible nerf configs for the final star
*time between duplications

*duplication amount

*catalyst? (Requires a item in the inventory to duplicate, item will be used)