Twin City, Phoenix City and Ape City are newbie-protected maps. In newbie-protected maps, you are not allowed to PK the players below Level 26. And the black-named players who try to PK the people below Level 26 will be sent to the PK jail.

2. Acquire the XP skill of your profession once you reach level 3

A. Trojan
Cyclone will be acquired.

B. Warrior
Superman will be acquired.

C. Archer
Flying will be acquired.

D. Taoist
Thunder will be acquired.