Something lurks deep in the sea...
AT 100 FT: Powerful currents at freezing temperatures.
AT 200 FT: High risk of oxygen toxicity and consequent convulsions.
AT 3,000 FT: Absolute darkness, except for the occasional bubble of light.
AT 30,000 FT: Unconfirmed reports of a massive, hostile lifeform.
Disregarding this warning sign may result in serious water damage, asphyxia…