Talk:Kara no Kyoukai Collaboration Event/@comment-33890651-20180215002143/@comment-2001:999:20:12BC:A930:71EE:F2D9:813F-20180215160639

As above stated room 603 is best if water is all you are looking for.

Vlad room (502) is also nice if you want to grind some ghost lanterns on the side as well. You get only 24 waters there though but its worth it at least for me.