"Thud, thud! Thud, thud, thud!!"
Its pounding footsteps sounded like Hell War Drums played at breakneck speed. Moving faster than sound, its feet struck so rapidly that they became blurs impossible to follow with the naked eye.
In the blink of an eye, it charged into the outer passage leading to the Armory.
Without an ID card, it instantly triggered a synthesized mechanical voice.
"Beep. Warning. Unauthorized intruder detected. Please present identification immediately. Warning. Unauthorized intruder detected..."
Ignoring the warning beneath the glaring red alarm lights, the Echo Demon forced its way through without slowing.
Just as it passed the halfway point, a flurry of mechanical whirring rang out. At the top of the passage, silver-white, four-barreled automatic machine guns instantly locked onto it and opened fire!
Behind the door, the four of them stared fixedly at the surveillance feed.
None of them believed these automatic weapons could threaten the Echo Demon, but they could use them to gauge just how strong its defenses were!
"Bzzzz-bzzzz!"
The barrels spun, spraying bullets that engulfed the Echo Demon like a storm of metal.
In just 0.01 seconds, a torrent of bullets struck the Echo Demon's body. It was like shooting into tough cowhide. The bullets barely penetrated its flesh before its muscles forcibly squeezed them out.
Watching the Echo Demon's wounds heal rapidly, He Zheng's eyes lit up with excitement, and he pumped his fist in uncontrollable delight!
They could hurt it! They could hurt it!
Although this monster also possessed an outrageously fast healing rate, and the damage was almost negligible!
These were only the most ordinary bullets!
Like the Echo Demon they had killed earlier, these monsters possessed tremendous speed and strength, but without damage reduction against technological weapons, conventional weapons could still hurt them. Their defenses were not particularly