Gyrfalcon's Keep hippie sabotage

"I think I would be dead the moment my poor dense head hit the water surface," Birk replied, having experienced the pains of hitting the water with exposed belly first. It was not hard to imagine, what would happen, if he went down from a greater height. 

"However - I will tell you the answer of the mystery I proposed. Ice," he said and shrugged. "Up, where I come from, there are places, where the ocean has a thick cap of ice on top of it. Hence the ice fields," he left out the part, where he and his siblings had messed with fate and had fun, jumping from one floating ice piece to the other during the spring time, when it was warm enough for the solid cap to melt and crack.