Bioloog-quests behoren tot de belangrijkste content in Metin2. Ze beginnen op level 30 en gaan door tot 94. Alle beloningen zijn permanent.
| Level | Item | Count | Reward |
|---|---|---|---|
| 30 | Orc Tooth | 10 | +10% Movement Speed |
| 40 | Curse Book | 10 | +8% Attack Speed |
| 50 | Devil's Memento | 10 | +20 Attack Value |
| 60 | Ice Ball | 10 | +15 Defense |
| 70 | Zelkova Branch | 20 | +500 Max HP |
| 80 | Tugyis Tablet | 30 | +10 Attack Value |
| 85 | Red Ghost Branch | 40 | Half-Human Resist |
| 90 | Leader's Notes | 40 | Selectable |