Each rock was the size of a boulder! And when he stood over them in his spirit body form, nothing happened to these rocks as if a fly stood on them.
"That's weird…" he kept scratching them, infusing his spirit power at some point, attacking others to see what was different. And yet he found nothing at all, "What makes you special to be here? Huh? Can't you speak and tell me why?"
He didn't find anything even after jumping around for an hour. He could tell these were like the floating rocks in the outer world, without anything special about them.
Yet at some point, he started to get a hunch about something. Without warning he dashed high in the air, crossing hundreds of metres, before floating there for a few seconds. He then looked down at the entire hole, where lots of floating rocks were there.
And then he saw it!
"They are arranged in a formation…" he could tell their arrangement wasn't that random. They were all located away from each other with fixed spaces, and they formed some sort of triangular ends at that area, "that can form grand star-shaped formation… This formation must run deeper, much deeper than I thought…"
He returned to the ground, looked at the ongoing battle, then at the hole dug by everyone, "dig further inward," he suddenly shouted, before turning towards the masters fighting at the forefront, "We need to push the frontline further."
"And the formations?" Sloth asked, while releasing another volley of his deadly technique, "Will we leave them behind?"
"Three hours," William raised three fingers, "every formation can last for three hours, then we'll work together and push the frontline further deeper and broader. We need to expand the area we control."
"Got it," Sloth wanted to ask more, but he already saw like others what the digging team found. They also noticed what William did before releasing his two orders, "We've got less than half an hour, then we'll push forward with everything we got."
"I'll keep along then," William knew what Sloth meant, and he could tell others listened and got what Sloth had in mind. The high-end masters would use the current weak state of the enemies to push the frontline further, and that meant they'd cross huge distances in a short time.
This wouldn't be a problem at the beginning, but when the enemy would line up and gather their forces, it'd be impossible for them to defend the newly gained land, or stop the invading enemies through their thin and stretched-out frontline.
So he had to follow them, make new formations, to let them defend these newly acquired regions. As for digging, he'd leave this task to the digging team and his monstrous weapons.
Half an hour passed fast, and then they started their counter offence. As everyone expected, the high-end masters managed to push the frontlines for tens of kilometres in mere one hour! Then things started to prove quite hard to keep going forward.
The enemy sent more forces to stop them. And with the stretched-out frontline, they had to exert more effort to defend the newly acquired zones.
"Retreat for five kilometres," William suddenly shouted, "Sloth, Fang… Come here all of you and take control over these formations…"
William already built hundreds of formations, stacking them in semi-circular designs. He then shouted the names of those who were going to take control of these formations, before he returned to make more.
As the outer frontline was already too vast, he couldn't use the previous tactic. He couldn't let these high-end masters use the formations to handle the entire frontline and had to place them with gaps between each other, enough for other masters to stand there and defend the place.
He didn't have enough time to build up formations and cover the entire frontline.
Things started to develop fast with the incoming of more enemies. William stayed a few hundred metres behind the hot frontline, watching all the scary fights going on all over the place.
If not for the lack of enough masters here, he'd prefer to call back his newly joined guild masters. Such a battle was way beyond their abilities. Even if they suffered lots of losses, they still got the chance to experience what a high-end battle was like.
He kept himself busy building more formations. And for the first time, he started to use the dirt he collected so far. Everyone was focused on dealing with the enemies all around, but the high-end masters still kept an eye on him.
They watched him taking small pieces of that mud, just the size of a finger or even smaller, placing it in the middle of each formation he laid. They didn't get what such a small amount would do, but when they'd try out the formations later, they'd get surprised to see how the released attacks got elevated or another level.
At the same time, the situation kept growing so intense that even the masters controlling the arrays had to leave after releasing their attacks, using the five-minute period to not rest or train but to join the fight and stop the enemies.
It was indeed quite hectic. And yet that was all for one purpose, for the digging team to expand the hole behind.
Seeing how everyone was struggling to buy them enough space to work, the masters working on the digging process got pumped up. They showed more skill and the digging process accelerated, while they added more to the hole, growing it fast in size.
William kept examining that hole using his spirit sense. After ten hours of brutal fighting, they still were unearthing more of the floating rocks.
During this time, he kept making more formations while the earlier batch he made got depleted. They exhausted their materials, and that made the frontline shrink slightly to the inside.
The high-end masters kept jumping from one formation to another, moving backwards without any chance of pushing the frontline forward.
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