DOOM Eternal is almost here, and soon you’ll rip and tear through Hell’s hordes to save Earth from demonic invasion. The enemies awaiting you are brutal, relentless and ready to put your Slayer skills to the ultimate test. Thankfully, creative director Hugo Martin is familiar with the phrase, “know your enemy.”

The talented crew at Noclip recently collaborated with Martin to share an inside look at Hell’s bestiary. Check out the video to learn how the DOOM Eternal team designs its familiar adversaries and develops brand-new ones, not to mention a few from-the-source protips on how to beat ‘em: