As Ainz thought of a monarch tomb, he couldn't help but relate it to the ancestral ground in the report, nevertheless, he then focused on another thing that caught his interest, and thought was likely the reason Christopher Kalamas had brought the report, it was the age requirements.
'For the cultivator to have left an ancestral ground, he might likely have died in his breakthrough, but at the same time for there to be an age recruitment, he must have foreseen his death so he must have made it that in case he died, someone worthy would be given the opportunity to be his heir.