Assertion: kingdom's power | /r/CapableOf | prevent the heartless
Facets:
value: from attacking that world's heart
type: TRANSITIVE-OBJECT
Source sentences:
text: The main power of the Keyblade, however, is the ability to seal or open the barriers between worlds, as well as to "lock" a world's Keyhole, preventing the Heartless from attacking that world's heart.