Unlike the shattering of the Arm of Dorne, the attempt on the Neck was unsuccessful. The Children only succeeded in flooding the land, creating bogs and swamps. Why the Children's magic failed them is unknown. However, the cataclysm proved the strength of their power and may have proved instrumental in bringing the First Men to agree to the terms of the Pact that ended hostilities between the two races and marked 4,000 years of friendship between the First Men and the Children.