It is claimed by a higher power ?

I've been looking for a special place to dig up the lore and when i got to the marked location , wich was on top of some big ass canyons (i have soil instability on, thanks VS), i followed a deep abyss and came to a level where it was a dead end and to a certain Y axis, it was "claimed by a higher power" ? I love that, except i tried to clean the place a bit and broke my iron pick going in a straight line trying to find somewhere it wasn't claimed. Do i need to do something first to remove it or am I missing something ? If you can explain without spoils, it would be much appreciated (though i've heard the VS community is very cool with that). Thanks !