content: the younger princess left her sister to take charge of the happy hunter , and going faster than they , she reached the sea king 's palace first , and running quickly to her father 's room , she told him of all that had happened to them at the gate , and that her sister was even now bringing the augustness to him . the dragon king of the sea was much surprised at the news , for it was but seldom , perhaps only once in several hundred years , that the sea king 's palace was visited by mortals .
answer: it was seldom that the sea king 's palace was visited by mortals .
question: why was the dragon king surprised at the news ?
target: why was the dragon king surprised at the news ?
references: why was the dragon king surprised at the news ?