Kahl makes a weird expression when he catches sight of the vision arrayed around Zerxus. He can't - not believe it, the nature of the light is plainly, intuitively, undeniably obvious. And he can't not want it, with an awful, bottomless longing, a two-thousand-years old longing, a hope that died centuries ago. He doesn't want it back. He survived alone. It's too late to matter. And yet it's there.