This achievement requires killing all of the Rare mobs that can be found around the Maw. If you're able to comfortably kill rares in Zereth Mortis, none of the rares on the list will be too much of a nuisance and the harder part will be finding all of them spawned.
The more difficult rares on this list are the Herald rares:
are as hard as a normal Rare-Elite mob in Zereth Mortis, but the three of them are locked behind a summoning ritual that requires four players to step on four different runestones near their location. The final Herald rare,
, requires someone to summon the rare by using
. This item requires drops from the previous three Herald rares to assemble.
Looking for a specific Maw rare? Check our Maw rare guide for locations and a list of loot!
The Maw Rare Locations and Loot