立方人は仙舟から出ていけ！

It's actually 16 puzzles. Talk to NPC in artisanship commission and begin.

The phrase combines the famous line "Hasta la vista, baby!" from the movie Terminator 2: Judgment Day with "Hexanexus," a rubik's cube-like puzzle found on the Xianzhou Luofu. In Terminator 2 the character played by Arnold Schwarzenegger, utters the line "Hasta la vista, baby!" before eliminating a threat. It has become an iconic catchphrase associated with the Terminator franchise and is often used playfully or humorously in pop culture.