[ River would trade a lot of things for a lot of other things. Bartering economic systems are more sound, in her opinion. She did not expect, at any point, to find herself in the middle of a not-exactly-economic trade between her reading and... Well... ]
Shiny.
[ If this was supposed to be a way to attack, it's pretty poor in her estimate. On the other hand, she can shoot bubbles out of her hands and into the air and is now surrounded by a growing puddle of slowly popping bubbles. ]
10
[ It stands to reason that being trapped somewhere was an unavoidable eventuality in River's line of... Life. She just didn't expect it to end underwater. (The solitary muffled sound of her own heartbeat in her ears doesn't seem like Bellerophon, or normal, but who can tell what normal is at this point anyway.) Or with quite so much freedom of movement, limbs and appendages all in place and roaming through what turns out to be a very large cage. ]