The faces depicted animals that Khan had seen in the reports connected to that pack. They seemed to represent the creatures that the monsters had defeated before reaching the woods, but he didn't let his mind linger on those thoughts.
Khan and Ilman had identified the monster with sound abilities, so they didn't hesitate to converge toward it. The creature was even closer to the shores, so they both decided to take care of their main target before thinking about the specimen with the mysterious skill.
All the creatures in the area were already barking. Even the Tainted animals busy patrolling the lake had started to echo their leaders' warnings. The venomous monster had died quickly, and Khan and Ilman were even insanely fast, but they didn't manage to reach their target before the activation of its ability.