Master Lyon requests you Lyon Shield. That can be found in Desert Fort (Celica part). He gives you Blessed Cheese and 300 Renown as rewards.
Once you get Blessed Cheese, talk to Cheese-Loving Noble. He is also in Central Hole. Exotic Spices and +300 Renown. Exotic Spices can be traded for Golden Mark x3.
Treasure Room
sub-quests
Scholarly Man asks you to find Lima Family Ring. Visit appointed site in Deliverance Hideout and defeat Entombed which drops the requested item. 30 Silver Marks and 100 Renown are rewards.
Shady Man asks you to defeat Ghosts in Deliverance Hideout after responding to Scholarly Man's request. Regal Shield and 300 Renown are rewards. Ghosts may be tough for you to beat at this point though. Use "Travelin Merchant" you will see in Mountain Village (Celica part) to send the item to Alm.
North Zofia
Battle against Zofian Army.
Zofia Forest 1
Enemies use Mire (Mt: 10, Rng: 1-3) if you play hard mode. Use Windswept or Aiming to avoid getting countered.
Rescue a daughter of a Gentleman in Forest Village. She can be found at Mila Statue. Visit his father in Forest Village to receive Blessed Lance.
Read the note on the wall, and talk to Merchant's Wife in Forest Village. You will receive a reward (Wooden Mila) after you rescue his husband from Nuibaba's Manor in Chapter 4.
Visit Forest Village and talk to a girl. She will trade Blue Cheese, Yogurt, Nut of Life, Small Gear, Dried Meat or 10 Silver Marks for cute items (Holey Cheese, Sweet Coockie, Ebony Pearl, Chipped Coral, or Wooden Bear).
North Forest
Battle against Rigel Soldiers.
Floodgate (Battle)
Battle against Tatara. Don't let Delthea die. If she survives the battle, she joins your party at Inner Floodgate Main Hall.
Inner Floodgate
Main Hall
Delthea joins your party if she survives the battle at Floodgate. Her ATK stat is very high.