fp1_remove_stele_new_holder_trigger

fp1_remove_stele_new_holder_trigger = {
	# Is there a rogue stone around?
	$TITLE$ = { exists = var:stele_commissioner }
	# And would the new holder want to tear down the stele?
	$NEW_HOLDER$ = {
		OR = {
			AND = {
				exists = dynasty
				# E.g., because they're a different family and won't maintain it.
				NOT = { dynasty = $PREVIOUS_HOLDER$.dynasty }
			}
			# Or because they're a subject of the runestone, which means it's memorialising their defeat.
			## ... Unless they're a ghost. Damned proctors, I guess.
			AND = {
				exists = $TITLE$.var:stele_container
				exists = $TITLE$.var:stele_scope_type
				# Remember not to compare a character with a title.
				$TITLE$.var:stele_scope_type = flag:character
				this = $TITLE$.var:stele_container
			}
		}
	}
}

As written in game/common/scripted_triggers/01_fp1_scripted_triggers.txt.