The struggles of a squire

Sean sprinted forward, trying to keep up with the fast advance of the two-headed viper. Unfortunately for him, that enormous monster noticed his approach. 

Seeing that Sean would get in the way of its plan to feed itself, the Ancient began to retaliate.

Its huge body was crawling in the adjacent street. Sean judged that to be a reasonable distance. He didn't lose sight of it and could dodge easily, may it pull off something. About 30 meters separated them from each other. 

Nonetheless, such a distance showed to be useless against that beast. 

The two-headed viper changed the direction it was going. Instead of crawling straightforwardly, the viper turned its head to the left all of a sudden.

It invaded the street where Sean was, breaking the buildings that were separating them.