Through careful observation with his Divine Sense, Zachary noticed that the hull materials of the warships engaged in the exchange of fire, which belonged to someone's Companion Spiritual Treasure on each side, had changed to metallic materials. Although it was unclear whether they had undergone further evolution, the hulls had indeed been transformed from wood to non-wood materials.
However, via his Divine Sense, the cannons on the decks of both sides seemed not to be the long-range weapons obtained by devouring the green Mysterious Core, but independent weapons that had been mounted on the ships.
Looking at the mountains of cannonballs piled next to the cannons, Zachary estimated that these cannonballs were probably not very valuable.
