Lydia only shifted--keeping her hold around Ira's waist--so others could hug him too. Also so she could keep an eye on the shadow!Ira. Quiet, and listening, then hugging him more tightly at the final words. "He---you---We won't stop being friends, just because you're accepted your shadow." Moving to hide her head against his shoulder. "That's what he meant by immune soul, at least...I think it is."

BUT nope, they'd be friends regardless. He'd promised her--and Lydia was silently promising back. She wouldn't let him face his fears alone.