Secret cosmetics in Diablo 4 always feel a bit more personal than something bought from a menu. The Howling Mouth of Madness Town Portal Skin and the Crab with a Knife Pet sit in that strange, brilliant category. You won't just pick them up from the wardrobe, the Season Journey, or a shop tab next to other D4 items. To get them, you've got to notice something the game doesn't exactly shout about, then follow it through while an Echoing Hatred run is still trying to kill you.

Where the hunt begins

The whole chase starts inside Echoing Hatred, but it's not enough to simply clear the activity. That's where a lot of players go wrong. They rush the enemies, burn through the run, and never realise there's a hidden thread sitting in the area. The unlock is tied to a secret shrine sequence, one that asks you to pay attention to the space around you rather than just your cooldowns. If you're used to speed farming, slow down a bit. Look at shrine placement, interact when the moment makes sense, and don't treat every object like background noise.

What you actually need to do

Once you find the shrine sequence, the run changes. You're still fighting, sure, but the real job is solving the environmental setup before the activity ends. The hidden achievement, Only the Mad Run Free, is linked to deciphering the messages of a fallen Amazon, so the clues aren't presented like a normal quest marker. It feels more like one of those old-school secrets where somebody in the party says, "Wait, did that just change?" That's the kind of attention this asks for.

The goblin is the pressure point

Finishing the shrine puzzle isn't the end of it. After that, a special goblin appears, and this is where the timer starts to feel nasty. You need to track it down and kill it before the Echoing Hatred run wraps up. Miss it, lose it, or leave it alive too long, and you're doing the whole thing again. It's worth saving burst damage for this part if your build allows it, because goblins don't politely stand still while you sort your rotation.

Why players care about these rewards

The Howling Mouth of Madness Town Portal Skin has that dark, warped look that suits Diablo 4 perfectly. It makes returning to town feel less routine, which is half the point of a good portal cosmetic. Then there's the Crab with a Knife Pet. It's ridiculous, a little threatening, and honestly the sort of companion people notice right away in town. Neither reward feels like filler, because both are tied to a hidden task rather than a checklist everyone completes by accident.

A small secret with a proper payoff

If you're planning to chase this unlock, treat Echoing Hatred as more than another combat run. Bring a build that can survive, keep your eyes open, and don't end the activity until you've checked for the goblin after the shrine sequence. Players who enjoy collecting cosmetics, rare trophies, or even browsing D4 items for sale will probably appreciate this secret because it feels earned in a different way. When the portal, the knife-wielding crab, and Only the Mad Run Free all pop together, it's a pretty satisfying moment.