Rimuru is building a dungeon in preparation for the upcoming festival. It will feature treasure chests containing weapons made by Kurobe, and Veldora will inhabit the deepest floor as the final boss. Then Milim suddenly shows up with a suggestion...
I made it so you can 
open holes in the blade.
صنعتُه بحيث يمكنك فتح ثقوب في النّصل
habe ich den unteren Teil so gefertigt,
dass eine Vertiefung reinpasst.
puede tener agujeros
en la base de la hoja.
puede tener agujeros
en la base de la hoja.
ed è studiata per avere dei buchi sulla lama.
eu fiz de forma que possa abrir
buracos na base da lâmina.
я сделал так, чтобы в клинке
можно было создавать отверстия.