Agravaine: I must show my presence in Camelot. The old physician already suspects me.
Morgana: Gaius is shrewd. You should take care. After all, if your true nature is revealed, I really don't know what use I will have for you.
Agravaine: Morgana… (Takes his sword out) I'll dispatch this servant [Merlin].
Morgana: You will do no such thing. Arthur is strangely fond of the boy. He could prove useful. Very useful indeed.