DarkAngel

He tries to give her all the time she needs to process what happened, what she did, the consequences of it, without worrying that he might reveal her secret, especially bc at this point Musa and Riven have interacted what... two or three times?

He only comes clean when the whole all thing reaches a boiling point and Musa is literally stuck. Riven earlier saw her getting aggressive on the training mats so he can at least suspect that she's not taking the whole powerless thing really well. So he doesn't leave her alone and talks to her... and to get her to open up he admits that he knows what she did.

"La plume est mon épée."

Who goes, “Hey, you know what’s a great idea? If we kill Fergus of all people.”

“Why?”

Outlander | The Final Season | Soul of a Rebel