[His stomach churns, thinking about that. What if this is what they want? To draw the creature out. The Regent clearly wanted to destroy it. What might he set in motion by ferrying it to that place?]

How?

[He's starting to sound more pressed. Hiccup's genuine intentions make it harder for him to ignore the pain he feels at the concept.]

How can we save them without simply losing another? I do not mean to trade in lives... but I know no way... no way to succeed without further casualties...

[His only idea was imploring for the being's help, and if that doesn't work...]