3C are Three Corridors which offer players a chance to PK with each other. It requires skilled operation and perfect cooperation if you want to win.
Cooperation among teammates is more important than individual abilities when you join large-scale battles. Players should work with their friends together to build strong defenses to defeat enemies to win.
Enter the Battlefield
Level Requirement:
Players can choose to enter a corresponding battlefield according to their character level.
Appointed NPC: Field Administrator
Event Location
Level 1-9: Sunset Beach
Level 10-19: Bright City
Level 20-29: Naca Desert
Level 30-39: Jungle
Level 40-49: Jungle
Level 50-59: Jungle
Level 60-89: Power Core
Event Rules
Participating players will be divided into two parties. Once these groups are set, the fight begins. After the event ends, all players will be removed from the battlefield by the system. In addition, players can talk to the appointed NPC inside the battlefield to quit the event at any time.
Battlefield Rules
1. Players from the same party can't PK with each other. Only PK with the opposing team is allowed
2. If a player is killed on the battlefield, they will be revived in their team's base after 30 seconds. They will not lose any items or suffer any punishment.
3. After players leave the battlefield, they will be teleported to the appointed NPC.
How to play?
All participating players will be divided into two groups, red and blue. Both groups have a Main Building they need to protect. Players must also destroy the opposing team's Main Building within the appointed time. The competition will end in a tie if both parties are unable to destroy the opposing group's main building. By defeating opposing monsters and players and destroying the opposing buildings, players will obtain Exp and Ruby Ore which they can use to purchase Attribute Scrolls, Equipment and Corsairs.

Buildings and NPCs on the Battlefield
1. Main Building: This is the center of the team's power. If it is destroyed by the opposing team, then the battle is over and the winning team will receive a large Exp reward,
2. Turrets: They are set in fixed locations on the battlefield and they will automatically attack enemies. All players will obtain a certain amount of exp if they can destroy the opposing group's turrets. Turrets will not be respawned after they are destroyed.
3. Encampments can be found in fixed locations. If there is an Encampment, the system will respawn soldiers every 2 minutes to help one group or the other in battle. All players will obtain a certain amount of exp if they can destroy the opposing group's encampments. Soldiers will not be respawned after an Encampment is destroyed.
4. Monsters are spawned by the encampments and will attack the opposing group's main building and all opposing players.
5. Players can talk to the appointed NPC to leave the battlefield.
6. Players can exchange for rewards from the appointed NPC.
About Ruby Ore
Players will obtain 3 pieces of Ruby Ore by defeating each opposing player and 1 Ruby Ore for defeating each opposing monster. The Ruby Ore will disappear after players leave the instance.
Ruby Ore can be used to exchange for the following rewards.
1. Attribute Scroll: Includes STR, AGI, INT and PHY scrolls which can be used to increase those attributes. The attributes can be increased without limit. However, the bonus effect will disappear after players leave the battlefield.
2. Equipment: Includes weapons, helmets and armor
3. Corsair: It can move fast and has attack abilities.
All battlefield items will disappear after players quit the game.
Multiple Exp
Players can apply for multiple exp once each day at the appointed battlefield NPC's.
Fierce Defensive War
Enter the Battlefield
Level Requirement: Players can choose to enter a corresponding battlefield according to their character level.
Appointed NPC: Field Administrator

Event Location
Level 1-9: Sunset Beach
Level 10-19: Bright City
Level 20-29: Naca Desert
Level 30-39: Jungle
Level 40-49: Jungle
Level 50-59: Jungle
Level 60-89: Power Core
Event Rules
1. After players enter the battlefield, they should help the base fight against the monsters.
2. The battlefield is similar to an instance. When the base is destroyed or all monsters have been killed, the battle will end at once.
3. From level 10, the system will open a battlefield each 10 levels. Players can choose a corresponding battlefield according to their character level.
4. players can enter the battlefield twice each day. The battlefield can only hold 6 players at most. They should team up before they enter the battlefield.
5. After the battle ends, players will automatically leave the battlefield. They can also talk to the appointed NPC inside to leave.
Battlefield Rules
1. Players must guard the base for the appointed time. If the base is destroyed by monsters, the event will end and the battlefield will be closed.
2. If the player is killed on the battlefield, they will be revived in their individual base after 30 seconds. They will not lose any items or suffer any punishment.
3. After the players leave the battlefield, they will be teleported to the appointed NPC.
How to play?
There is only 1 base on the battlefield and players have to guard the base while fighting all the monsters for the entire appointed time. By defeating the monsters there, they will obtain some exp and Ruby Ore which they can use to purchase Attribute Scrolls, Equipment and Corsairs.
Buildings and Monsters on the Battlefield
1. Main Building: The event will end at once after the base is destroyed.
2. Turret: They are set in fixed locations on the battlefield and they will automatically attack enemies and guard the base. All turrets will not be refreshed any more after they are destroyed.
3. Encampments can be found in fixed locations. If there is an Encampment, the system will refresh an army every 2 minutes to help guard the base. But the army will not be refreshed any more after the Encampment is destroyed.
4. Monsters will attack the base from all 4 directions on the map according to the fixed route. The attacking army will be refreshed every 2 minutes and they will become more and more powerful as time goes on.
5. Players can talk to the appointed NPC to leave the battlefield.
6. Players can exchange for rewards from the appointed NPC.
About Ruby Ore
Players will obtain certain Exp and Ruby Ore by defeating the monsters. The Ruby Ore will disappear after you leave the instance. When a group of monsters is refreshed every 2 minutes and if players are still alive, they will obtain the corresponding Exp and an amount of Ruby Ore equal to the number of times they've refreshed.
Ruby Ore can be used to exchange for the following rewards.
1. Attribute Scroll: Includes STR, AGI, INT and PHY scrolls which can be used to increase those attributes. The attributes can be increased without limit. However, the bonus effect will disappear after players leave the battlefield.
2.Equipment: Includes weapons, helmets and armor
3. Corsair: It can move fast and has attack abilities.
All battlefield items will disappear after players quit the game.