Dorter Trade City (Revisited)
Enemies: 2 thieves, 2 archers, 2 wizards. Guests: Gafgarion (Dark Knight), Agrias (Holy Knight)
With Gafgarion and Agrias, this battle is a breeze, your summoner could take out as many as 3 to 4 enemies with a good summon. After this battle, spend some time to get Auto-Potion Reaction skill to everyone in your team, it will allow you to attack more often without wasting turns to heal.