[once everyone has done enough flippy parkour to dodge the gold, and also figured out how to summon their Personas. . . Lupin stands up straight with red-clad hands clenched into fists at his sides, chin lifted, eyes burning brightly like a wild inferno]

All right! Everyone, all at once-

[he arcs an arm in front of himself, gesturing at the golden demon]

Strike with all of your might!