"It's likely that this air pocket doesn't have as much air as we hoped." Forseti said as he noticed himself feeling a bit light headed.
"We should begin our ascent." Sirius agreed.
Everyone dreaded going back into the water with it being so cold, so they made faces wishing that they didn't have to do it. As if such faces would just make the problem go away, but time wasn't a luxury here.
"Me and Aksel can breathe underwater, so we have a better chance at making sure you two have enough air the sooner that we begin our ascent." Sirius added. Initiating the discussion of their next move.
"In the descent, we probably traveled on the current for around fifteen minutes, but now we will be going against the current to get out." Forseti informed them, "so I'm estimating it's going to take a couple of hours to get back up there."