The Evil God, Sha-Cha’s, judgment was quick.

Contrary to expectations, however, only 4000 out of Sha-Cha's army of 30,000 returned—not even half the number.

Based on the fact that Sha-Cha’s army possessed a relic that could turn freshwater into seawater, Sung-Woon had inferred that Sha-Cha's army consisted entirely of Deep Ones, and that their movement routes were limited.

"Since they came along the river, it's obvious they'll have to go back the same way."

Of course, Deep Ones were better swimmers than those opposing them, so their marching speed would be much faster. However, there were issues with going via rivers compared to a regular path.

"First, while on the ground, you can create a path and march. Rivers, on the other hand, have predetermined paths. And second..."

Sung-Woon looked down at the map.

"Rivers meander."

The Moving Castle moved slightly faster than a person's walking speed, and since it could still move without any rest or sleep, its average daily trekking distance was quite far. Additionally, because of the known path of the river, the Moving Castle could arrive first at the destination that Sha-Cha’s army was heading to.

Eventually, after the 30,000 Deep One forces diligently followed the river downstream, they encountered the Moving Castle, which had blocked and stayed in the riverway.

Gunfire poured upon the river, and Deep Ones emerged dead on the water. If they couldn’t avoid it, they had to fight.

Wisdom then asked about this.

"We do have the advantage,...