Luka's reasoning is solid, at least. If anyone's gonna do it, it's him. It's a hell of a lot of pressure for a blessing that they know literally nothing about. Since Garrot's on high alert for the Princess's status, he sees that ring twisting, but he just writes it off as nerves. Poor Luka just got lifted into the air in the middle of a potentially-treacherous mountain climb, so like...

"Apparently Gyre and I helped get them down the mountain, so I figured they'd be grateful." He scoffs and just sighs. "They're something all right."