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...
you got the unique skill 
Mastercraft as a gift, right?
حصلتَ على المهارة الفريدة
خبير الحرفة" كهديّة، صحيح"
hast du als Gabe den Unique-Skill
„Göttlicher Handwerker“ erlernt.
aprendiste la Habilidad Única
Artesano Experto, ¿no?
aprendiste la Habilidad Única
Artesano Experto, ¿no?
tu as acquis la compétence unique
Artisan de génie, non ?
tu hai ricevuto in dono un'abilità unica...
Mastro leggendario, giusto?
você ganhou a habilidade única
Artesão Magistral, não foi?
ты получил в дар уникальный навык —
«Кузнец богов».