Leo pulled his dream-blade—a weapon forged from crystallized lullabies and the last honest promise he'd ever made. "I don't do partial."
Using this in the final boss room (The Maw of Despair) is forbidden by the game’s logic. Doing so can corrupt the boss script. Use it in safe zones or cleared rooms only.
But that night, alone in his quarters, he watched the rain against the window and thought of all the people he'd buried before he learned the truth: You don't kill a nightmare. You outgrow it. You befriend its shadow. You remind the dreamer that monsters are just frightened things that got too big for their own darkness.