Here is the full list of all 12 Dangerous Lands - there are Magic and RPG achievements.
Complete the Ancient Warrior Killer Quest using the ranger character
Complete the Spirit Demon Quest using the ranger character
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Complete the Evil God Killer Quest using the ranger character
Troll Killer (Knight) Complete the Big Troll Killer Quest using the ranger character
Complete the Orc Killer Quest using the ranger character
Complete the Evil God Killer Quest using the knight character
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Complete the Ancient Warrior Killer Quest using the knight character
Complete the Spirit Demon Quest using the knight character
Complete the Troll Killer Quest using the knight character
Complete the Orc Killer Quest using the knight character