...The shards have served their purpose, it's true, but... do you think the arcane could reach back to you in a place like this?

[It's not meant as a rebuttal - more that he's trying to figure out how it would work, perhaps to soothe his own anxiety for what might happen to his own powers. Were the shard to override indefinitely, then Vakama was in a lot of trouble.]

Did you feel any change, going home for Jayce?