Duncan thought his plan might indeed be a little insane—Black Sun, having heard what he said a moment ago, had probably just gone through a sanity check...
But he was serious.
After Black Sun uttered an “ah,” Duncan’s expression grew even more earnest than before, and with calm composure he repeated: “I will detonate the World-Creation—of course, this ‘detonate’ is a figurative word. Strictly speaking, I intend to borrow its power, or rather, to borrow that portion of power it did not fully release during the Great Annihilation.”