Besides the Pirate King Barbosa event, there's an event where you will receive a box containing 3 Saturdays Blessings, 3 Sundays Blessings, and a Safety Charm. These blessings give you 1.5x experience for 1 hour.
Another event is where you need to collect 6 Pirate Kings Treasure Map pieces each day. Each piece can be collected every 10 minutes, and each time youll get a Spring Water. It gives 10% exp to Cannon Shooters less than level 50, 5% to levels 50~99, and it cannot be used by anyone level 100 or above. One Cannon Shooter can use up to 100 of these potions.
If you collect all 6 Treasure Map pieces for a certain no. of days, you will receive rewards.
1 day: 20 Power Elixirs
3 days: 3 Continent Return Scrolls, 30 Power Elixirs
5 days: 3 65% Hand Cannon for Attack Scrolls (account tradeable), 50 Power Elixirs
7 days: Lvl 100 Legend Krisos hand cannon (account tradeable once), this hand cannon gives 107 attack and also comes unidentified
Summarized from: http://orangemushroom.wordpress.com/2011.../#more-212
Another event is where you need to collect 6 Pirate Kings Treasure Map pieces each day. Each piece can be collected every 10 minutes, and each time youll get a Spring Water. It gives 10% exp to Cannon Shooters less than level 50, 5% to levels 50~99, and it cannot be used by anyone level 100 or above. One Cannon Shooter can use up to 100 of these potions.
If you collect all 6 Treasure Map pieces for a certain no. of days, you will receive rewards.
1 day: 20 Power Elixirs
3 days: 3 Continent Return Scrolls, 30 Power Elixirs
5 days: 3 65% Hand Cannon for Attack Scrolls (account tradeable), 50 Power Elixirs
7 days: Lvl 100 Legend Krisos hand cannon (account tradeable once), this hand cannon gives 107 attack and also comes unidentified
Summarized from: http://orangemushroom.wordpress.com/2011.../#more-212