User blog comment:AlteOgre/Wood-Elven Stronghold - Survival build/@comment-27043282-20150305232848/@comment-26116279-20150306004649

That would take me forever to do in survival as well. the last time a built something very large in survival mod was back in 1.4 when i made a 10x10 hole all the way from layer 70 to bedrock.