"Hm. Well if the underground lake is truly as large as you say, and we have no immediate means of tracking the connections down there, then perhaps watching the cave may be another option." Rhiannon sighs and grimaces briefly at the delays. "No matter what plan of attack we choose, it will involve some time. An assault, even a preliminary penetration of defenses, is not something I'd wish to attempt right now given our level of preparation and knowledge of our foe. In the field reconnaissance will certainly allow us to gain data -- my only question is will it be useful information, or will we be staring at swaying undead all night?"
She pauses again. "If you two wish to stay here and observe, I am not averse to it."