Mateia steps back to regard Fuyuko for a moment with a smile, then she moves over to Onbin. She touches the keystone to his chest and closes her eyes in concentration once more as she calls upon the artifact's power to unlock Onbin's potential. She repeats this in turn with Elizabeth and then Masato, before she steps a little unsteadily and then leans against the cavern wall, sweat beading her brow and looking a little pale as she tries to catch her breath.