In the battle against Balio and Sunder at the Wyndian Dungeon, make Balio lose at least 140 HP. On every turn Balio takes damage, Ryu may target only himself.
Defeat Doksen at McNeil Manor. On every turn Doksen takes damage, use only Ryu's Heal ability and Teepo's Defend command. Other actions may be used only on turns when Doksen takes no damage.
Defeat Patrio's team at the Arena by destroying the Dodai while battling the third team member and without your Dodai dropping below half HP throughout the three fights.
Defeat Grisshan, Charyb, and Scylla at Mt. Zublo ensuring Grisshan is defeated last, Charyb and Scylla are defeated at the same turn, and without any party member dropping to 0 HP.
Defeat Dragon Zombie at Dauna Mines without any party member dropping to 0 HP. On every turn Dragon Zombie takes damage, Ryu may use only Heal, Rejuvenate, or Restore, while Garr may use only Defend.