For the maps with hidden treasures, obtain the treasure on the first playthrough of the map or else, on a second attempt of the map, the treasure will be downgraded to easily obtainable items such as Hide Caps, Mage Oils, and Herbs.
ACHIEVEMENT - HOW TO UNLOCK Treasure Hunter (10 points) - Find a hidden item on a battlefield. Tag Team (10 points) - Perform a Team Attack. Zero Casualties (15 points) - Win a battle with 6 surviving party members. Explorer (15 points) - Discover an optional battle map. Revelations (15 points) - Finish Act I. Sandworm Slayer (15 points) - Finish Act II. Royal Defender (15 points) - Finish Act III. Weapon Mastery (25 points) - Raise a weapon skill to rank 25. Wanderlust (25 points) - Discover all battle maps. Champion of Sostegaria (20 points) - Finished Act IV with the Altyria ending. Hero of Sostegaria (20 points) - Finished Act IV with the Luce ending. Serenity and Fury (15 points) - Earned both endings to the game.
Unlock the following bonus battle maps by performing the corresponding tasks:
BONUS MAP - HOW TO UNLOCK Avery Fields - Examine the well at the top of the Church of Restoration during your second visit. Foreign Quarter - Examine the barrel to your left at the start of the Biruni University stage. Four Swordsman Spring - Examine the hollowed out tree at the dry riverbed. Gillbaris Gardens - Examine the skeleton on the opposite side of the central tree from the chest in the Timion Vale mission. Halls Of Atonement - Examine the king's throne in the Royal Courtyard. Keliask's Tomb - Examine the glimmering tablet on the ground in the ancient ruins. Ragnar's Gorge - Examine one of the crates during the mission in Tolby. Trivishim's Corridor - Use the second mine cart in Dread to open up a cave entrance. Wanderlust - Beat all story and optional battles two times.