Once someone dies, a message appears "(playername) HAS DIED. THE GODS HAVE TAKEN YOUR BLESSINGS AWAY." By this, they remove a part of the Sacrificial Meter.
Despite its "threat" of being hardcore, it seems to follow suit with the classic version, and becomes perpetually easy as material deposits become much easier to encounter when playing mid to late game.
If playing with a set of reliable players or on one's own, it is quite advisable to select Hardcore over the classic version because of its similar difficulty threshold and access to greatly beneficial masks.