It's only once Prompto puts his arm around Ignis' shoulders that he finally shows signs of noticing the blonde is there. He lets himself lean into Prompto, even as Leo shifts so he can wrap himself around them both.

When Ignis finally speaks, his voice is soft. He's not crying; he can't yet. Instead, he's merely detached as he fights to find some way to start dealing with this.

"I...think I knew when I woke up this morning. He's never left without me waking before, but I kept telling myself he just slipped off to the lighthouse and would be back."

Of course, he never quite brought himself to go check because he knew if he looked and didn't find Gladio there, he wouldn't be able to pretend any longer.