Laboratory C-2 (Roids) in Magatia. If C-2 is crowded, the hidden map "Do Not Disturb" offers similar spawn rates. Levels 100 – 140: Fourth Job and Beyond
and eventually move into the secret labs of . The Iron Mutae and Reinforced Iron Mutae become your best friends—or your worst enemies—as you grind through the mid-30s and 40s in the cold, metallic halls of The Underground Hustle: Levels 51 – 70 maplestory v111 training guide