The sea serpent's tail projected like a divine whip descending upon the land. Sounds of impact and tremors echoed from a great distance, highlighting the remarkable difference in the physical power of a cultivator in the Core Formation Realm compared to the earlier realms. At this stage, the cultivator reaches a density and understanding of Qi capable of converting it from a gaseous to a liquid state. This allows for a seamless fusion with the body, creating a core.
The core is a place where Qi can be stored, acting similar to a heart pumping Qi through the meridians, nourishing the body and life force. For this reason, Alm and Bruno weren't overly concerned about Almin's life expectancy. Reaching this realm would greatly increase his lifespan, giving him a few more hundred years to solve his problem.