# User:Fyr/YANI/Subterranean Ocean/Yerebatan Sarayi
Yerebatan Sarayi  is one of the special levels in the Subterranean Ocean.
On entering the level for the first time, you will get the message "You hear the steady trickle of water down a drain."

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The stairs down is in one of the four possible marked locations, chosen at random; the other three spots each contain a large mimic posing as a down staircase.
One of the three spaces marked X contains an icebox buried in solid rock; inside the icebox are 3d3 footrice corpses, 2d3 acid blob corpses, and one lizard corpse.
The pillars are all diggable, but if three squares are removed from any one pillar, you get a message that "The pillar seems dangerously weak." Any subsequent square removed from the same pillar will cause a structural collapse, with the same effect as beating a charged drum of earthquake.