Dismal Dunescape - a known figure appears! Behind the scorched gate is a super-concealed treasure with a Unicorn Horn . Near the scorched gate is a concealed soldier, lying on the ground. Use R1 to reveal him and talk to Torreno to trigger a quest and you'll get the Map of Vile Peaks and AF200 VILE PEAKS FRAGMENT - Torreno's Last Light (01/08) + 500CP !
Go southwest and take the only path available to Another Man's Treasure. Soon you meet Falcon, a soldier in yellow armor who runs away after being spoken to. Catch up to him to get AF200 VILE PEAKS FRAGMENT - Falcon's Last Light (02/08) + 500CP !
Continue west to find a Phoenix Down , and further on meet Corporal Thunder, a soldier in red armor who keeps shooting at some black mist. Accept his quest to receive AF200 VILE PEAKS FRAGMENT - Thunder's Last Light (03/08) + 500CP ! You cannot fight the black mist at this moment, but you can check the dead end west from it for a concealed treasure sphere with 8x Vitality Bolt . Return to Dismal Dunescape and talk to Falcon for a Live Trigger (Square) to get AF200 VILE PEAKS FRAGMENT - Falcon's Compass (04/08) + 500CP ! This is all you can do at the moment.