Boom glanced at the rest of the Caravan as he hissed. "Is guard-thing still there? Message easy yesssss..." Boom raised the horn, "Loud greeting." He then raised the shell, "Quiet greeting." Boom glanced towards his side and hissed, "Boom hates greetingses." He focused his attention on the group, 

"Quickly! Get rids of its!" He said as he cocked his head towards the guard outpost. "Can't use if thing there."