Round 466: Ulmo breathes more gas, then swims to 5N20E. The gas has no effect.
Ulmo:[sblock]You can breathe again in round 468.[/sblock]
Giant swims to the east wall and taps out.
The clouds remain, but the water level lowers several inches to around 27 feet.
Next for NE in round 466: an old tarterian dragon. (Draconomicon)
Dragon stats:[sblock]32 ranks in Diplomacy, Escape Artist, Knowledge (Arcana, Architecture, Geography, Local, Nobility), Listen, Search, Sense Motive, Spot & Use Magic Device. Feats are Alertness, Blind-Fight, Improved Sunder, Power Attack, Snatch, Weapon Focus (bite), Improved Natural Armor, Improved Natural Attack (tail), Improved Toughness & Large And In Charge. It knows that Oceanus Dragons breathe lightning and tranquility gas, can smite evil once per day, have spell-like abilities including Control Water and Holy Smite, has DR/magic and evil, and has better SR and Frightful Presence than you.[/sblock]