Doom: The Dark Ages artillery cannon locations in Siege Part 1

If you're anything like me, collecting weapon skins to make demon-slaying in Doom: The Dark Ages even more stylish is half the fun. No doubt you're salivating at the Reverent Combat Shotgun skin from the Siege Breaker challenge in the Siege Part 1 mission. But to complete this, you need to find and destroy four artillery cannons.

With much larger maps in Doom: The Dark Ages, heavily populated by demons, tracking down these artillery cannons and other secrets is easier said than done. After...