Below are the Open Beta Events from The Official Site of Pirate King Online. The information will give you some helps when you play in the game.

Event: Early Birds

NPC: Redemption - Bingo (2230, 2715)
Location: Argent City

Start Date: 23/09/06 - 1900 hrs (GMT + 8)
End Date: 25/09/06 - 0700 hrs (GMT + 8)

Details:
Players can redeem their one time reward by completing a quest for NPC Bingo. They will need to kill 10 Little Squidies at (2287, 2555) outside of Argent City.

Rewards:
-Strive Amplifier x 1 (Grant user 30mins of double experience gained)
-Lantern x 2 (Increases defense of user by 50 points for 15 minutes)

Requirements:
-Limit to Lv 10 players only
-Once per account.

Event: Potluck

NPC: Old Man Blurry (2271, 2700)
Location: Argent City

Start Date: 23/09/06 - 1900 hrs (GMT + 8)
End Date: 30/09/06 - 1900 hrs (GMT + 8)

Details:
Players Lv 60 and below can obtain quest from NPC Old Man Burry. Kill 20 Forest Spirits, 20 Little Squidies, 10 Mud Monsters, 10 Stramonium and 10 Rookie Boxeroo and get back to him to redeem your reward.

Reward:
Pet Fairy x 1 (2% chance)
or Magical Clover x 1 (3% chance)
or Refining Gem Voucher x 1 (5% chance)
or Acceleration Potion x 1 (20% chance)
or Triangle Sail x 1 (30% chance)
or Lantern x 1 (40% chance).

Requirements:
-Limit to players below Lv 60

from : http://www.piratekingonline.com