Special monsters unlock introduction
Vampire Warlock/Wake Warlock: These two will only be released if they are abandoned in the Vampire Villa and the Lighthouse of Time and Space respectively.
Fisherman/siren/jellyfish: Fisherman comes from reeds, siren comes from sunken ships, and jellyfish is the summoner of siren.
Bloody Puppet: Fight in the Hungry Forest/Hungry Forest and trigger the forest effect, which can be triggered by hitting mucus.
Ghost armor: blacksmith's furnace appears, provided that the player has equipped it.
Woodwarrior: There are two dialogues. The first encounter needs to be unlocked by the brave profession, and other encounters can be unlocked by the current thieves (whether the necromancer can unlock it is unknown).