Dragon Quest Monsters: Joker 2 [NDS]
Get 50 different owned monsters in the monster library to get a free Argogreat.
Free Unlockable Monsters:
You will receive a free Neutral monster in your monster pen when you reach a specific number of monsters, whether you scouted or synthesized them. As long as you owned the monster, it will count:
MONSTER - HOW TO UNLOCK
Drakularge - have owned 100 different monsters
Grandpa Slime - have owned 200 different monsters
Great Argon Lizard - have owned 50 different monsters
Metal King Slime - have owned 150 different monsters
Unlockable Tag Monsters:
In Dragon Quest VI you must activate Dreamsharing, while in Dragon Quest IX you must activate Tag Mode.
MONSTER - GAME
Mottle Slime - Tag Dragon Quest VI
Teeny Sanguini - Tag Dragon Quest IX