"Scree!" The spider screamed when he felt his butt was pierced by something.
Kai and Jacob immediately leaped backward because they knew the spider would release its web from there. And it turned out they were right. The moment it spurted out, the shadow spear melted due to the poison.
Still, Kai looked at the spider and saw how the hole was dripping out blood. He had noticed this place earlier from when the spider released its web when he was about to strike its butt. The place that was protected like that was bound to be one of its weaknesses. And he developed a simple but devious plan to get the first strike.
And due to that strike, the spider turned around, looking at Kai and Jacob with its red eyes. Realizing that the spider was focusing on them, they took another leap back to make a distance.