User blog comment:Black Bee One/Script for the new Infinity trailer/@comment-1824272-20131018155548/@comment-2094030-20131018163309

"Emergency ascend" is already correct, though. Back to AC5, you need to ascend to evade explosion, hence followed by "brace for impact". Surfacing doesn't have any impact, except if Scinfaxi is breaking the surface by jumping 10 meters before landing on its belly.