Along the way, Roy toyed with the seven Dragon Balls in his hand, making them clink against each other. The sound made Fat Tiger's six ears twitch, and he kept turning back to look at Roy, his Master.
Making the Dragon Balls in the system had cost Roy around twenty souls each. That was not much, but all seven together had still consumed roughly one hundred and forty souls.
The Dragon Balls Roy had made did not have many functions. They merely continuously emitted a signal at a special frequency. As a receiving device, Roy had also made a Dragon Ball Radar to display the strength of that signal.
Among the Defined Attributes Roy gave the Dragon Balls, he had also added a [Resonance] attribute. This attribute allowed identical Dragon Balls to amplify their signal output when they came close to one another.
According to Roy's plan, this signal could pass into the Abyss World whenever an Abyss Gate opened and then be picked up by the Dragon Ball Radar. Since people in this world summoned demons at any time, Abyss Gates would frequently open, meaning the signal would not be interrupted. If Roy wanted to enter the Heroes of Might and Magic world again in the future, he could follow the signal there.
Of course, the next time Roy came to the Heroes of Might and Magic world, he hoped to open an Abyss Gate himself with overwhelming power, instead of being summoned here by someone else. If Roy could achieve that, it would mean he had become strong enough that even if he encountered powerful enemies in this world, he would not need to worry too much.
This world was quite dangerous. After bidding farewell to the Sylanna Ancient Tree, Roy had originally intended to fly for a