Instructions
Travel to a town during the month of Goldsun to obtain the mission. Highlight any town with the cursor and press the "A" button to open the city menu. Select "Pub" from the choices and press the "A" button to enter the pub.
Highlight "Quest roster" with the cursor and press the "A" button. This will open the list of available quests. Highlight "Champion's cup" with the cursor and press the "A" button. This will display the mission details. Press the "A" button again and you will be asked whether you would like to take this mission. Highlight "yes" with the cursor and press the "A" button.
Press the "B" button twice to exit the "Quest roster" and to exit the pub. This will move you into the area map.
Travel to Flourgis to begin the mission. If you are in the Western Continent, you will need to travel to Moorabella area and use the Moorabella Aerodome to travel to the Eastern Continent. To use the Aerodome, highlight the Moorabella Aerodome when you are in the Moorabella area with the cursor. Press the "A" button to move to the Aerodome. Press the "A" button again to confirm that you would like to enter the Aerodome. Confirm with the fight attendant inside of the Aerodome that you would like to travel to Flourgis.
Move the cursor in the Flourgis area to highlight the location where a thought bubble is pointing with an exclamation point ("!"). Press the "A" button to walk to the area and begin the mission.
Choose which characters from your Clan that you wish to fight in this battle. This is a difficult battle against a well-rounded opponent, Clan Centurio. Clan Centurio will field a team consisting of a White Monk, Archer, Viking, Soldier, Green Mage and White Mage. The mission battlefield will have the rule that you cannot deal less than 20 damage. The condition for victory is knocking out all of Clan Centurio. This can be a long battle, so bring a character that can heal your Clan during the fight.
Target Clan Centurio's White Mage first until he is knocked out or the White Mage will continually heal the opposing team. After the White Mage is knocked out, focus your Clan's attacks against each single opponent until each is knocked unconscious. Continue this until your Clan is victorious.
If your Clan is knocked unconscious and you fail the mission, you can restart the mission the following game year during the month of Goldsun as described previously.