[quote=@Cao the Exiled]
Ah, but Tsak don't know that, and does our characters know that for sure? Plus our rogueish friend is still out there, isn't she?
[/quote]

Aurora knows for sure. She's back on shore with Jub. 

Everyone else can see that part of the green lake water is now red, and there aren't anymore air bubbles coming up to the surface.