Abyssal anchor

Abyssal anchors appear during Heart of Stone in the final boss fight against the Prehistoric abyssal. During the fight, any attempt at attacking the abyssal will fail because of his invulnerability. As the battle continues, Kipple will occasionally find weaknesses in his armour and make them visible to the player. These weaknesses appear on the map as abyssal anchors, and the player must destroy three of these before they can damage the abyssal.