Foster slowly removes his paws from the barrier, unsure if he's... disappointed? Or happy?

...it doesn't matter how he feels. He did what he was supposed to do. And it's... about all he can do at this point in time, isn't it?

He turns and looks back at Taako and Lapis and the others, but doesn't say anything.

He was meant to enable them, to assist their efforts to reach this point. He's done his job, filled his purpose. Played his role.

He walks back to them calmly, but doesn't offer much else.

At least they know it won't fry them now.