[ Much more effective than anything he could pull off without the kind of high level spellwork that requires considerable extra reading, and incredibly useful in this context. ]

Thank you for volunteering them. Even a one-way relay will spare us having to separate the party through potentially hostile environments.

[ Not that Itachi needs the utility of his plan laid for him, but there are a lot of plates to spin here and a lot of hazards and missing links he's picking up on only as he goes. For the most part he'll be leaving the management of scout team safety to McCoy and the volunteers better positioned to prioritise it, but that doesn't mean he can't be grateful for whatever aid comes their way. ]

I'll look forward to seeing them in action.