Dropping this here due to comment character limitations. Have fun y'all.

Warrior Conditions
Location: Inside the Warriors’ Guild in Capital Sequoia.

• Warrior's Potential: Have a Warrior in the lineup.
  
• Warrior's Spirit: Have at least one gold, and have a Warrior in the lineup.

Monk Conditions
Location: Inside the Monks’ Guild in Capital Sequoia.

• Monk's Potential: Have a Monk in the lineup.
  
• Monk's Spirit: Have the Ibek Bell, and have a Monk in the lineup.

Rogue Conditions
Location: Inside the Rogues’ Guild in Capital Sequoia.

• Rogue's Potential: Have a Rogue in the lineup.
  
• Rogue's Spirit: Have the Ibek Bell, and have a Rogue in the lineup.

Cleric Conditions
Location: Inside the Clerics’ Guild in Capital Sequoia.

• Cleric's Potential: Have a Cleric in the lineup.
  
• Cleric's Spirit: Have a Wizard, Dervish, Nomad, and Cleric in the lineup.

Wizard Conditions
Location: Inside the Wizards’ Guild in Capital Sequoia.

• Wizard's Potential: Have a Wizard in the lineup.
  
• Wizard's Spirit: Have a Nomad and Wizard in the lineup.

Warlock Conditions
Location: Under the window in front of Warlocks’ Guild in Capital Sequoia.

• Warlock's Potential: Have a Warlock in the lineup.
  
• Warlock's Spirit: Have a Fencer, Nomad, and Warlock in the lineup.

Fencer Conditions
Location: Outside the tower where Fencer Master is located in Delende.

• Fencer's Potential: Have a Fencer in the lineup.
  
• Fencer's Spirit: Have a Warrior, Reaper, Aegis, and Fencer in the lineup.

Shaman Conditions
Location: Outside the tower where Shaman Master is located in Seaside Cliffs.

• Shaman's Potential: Have a Shaman in the lineup.
  
• Shaman's Spirit: Have the Owl Drum, and have a Shaman in the lineup.

Scholar Conditions
Location: At the camp in front of the Ancient Labyrinth.

• Scholar's Potential: Have a Scholar in the lineup.
  
• Scholar's Spirit: Have the Ancient Tablet A, Ancient Tablet B, Ancient Tablet C, and have a Scholar in the lineup.

Aegis Conditions
Location: Outside the tower where Aegis Master is located between Rolling Quintar Fields and Cobblestone Crag.

• Aegis's Potential: Have a Aegis in the lineup.
  
• Aegis's Spirit: Have the Ibek Bell, and have an Aegis in the lineup.

Hunter Conditions
Location: Outside the tower where Hunter Master is located on top of Rolling Quintar Fields northeast of Capital Sequoia.

• Hunter's Potential: Have a Hunter in the lineup.
  
• Hunter's Spirit: Have the Ibek Bell, and have a Hunter in the lineup.

Chemist Conditions
Location: Inside the Boomer Headquarters on the first floor.

• Chemist's Potential: Have a Chemist in the lineup.
  
• Chemist's Spirit: Have an Apothecary and Chemist in the lineup.

Reaper Conditions
Location: South of the Mercury Shrine, on top of a “cross” formation.

• Reaper's Potential: Have a Reaper in the lineup.
  
• Reaper's Spirit: Have a Shaman and Reaper in the lineup.

Ninja Conditions
Location: Disguised as one of the penguins in the pen in Capital Sequoia.

• Ninja's Potential: Have a Ninja in the lineup.
  
• Ninja's Spirit: Have a Rogue, Hunter, Assassin, and Ninja in the lineup.

Nomad Conditions
Location: Outside the Salmon Race registration building.

• Nomad's Potential: Have a Nomad in the lineup.
  
• Nomad's Spirit: Have the Owl Drum, and have a Nomad in the lineup.

Dervish Conditions
Location: Outside the tower where Dervish Master is located in the northern parts of Sara Sara Beach.

• Dervish's Potential: Have a Dervish in the lineup.
  
• Dervish's Spirit: Have a Reaper and Dervish in the lineup.

Beatsmith Conditions
Location: Inside the building with the tall chimney in Capital Sequoia where Beatsmith Master resides.

• Beatsmith's Potential: Have a Beatsmith in the lineup.
  
• Beatsmith's Spirit: Have the Owl Drum, and have a Beatsmith in the lineup.

Samurai Conditions
Location: Stands in front of Swordmaster NPC on near the edge of Sky Arena.

• Samurai's Potential: Have a Samurai in the lineup.
  
• Samurai's Spirit: Have a Swordmaster and Samurai in the lineup.

Assassin Conditions
Location: Inside the building where Assassin Master resides in Shoudu Province.

• Assassin's Potential: Have a Assassin in the lineup.
  
• Assassin's Spirit: Have an Assassin in the lineup.

Valkyrie Conditions
Location: Outside the tower where Valkyrie Master is located west of Beaurior Volcano.

• Valkyrie's Potential: Have a Valkyrie in the lineup.
  
• Valkyrie's Spirit: Have a Wizard and Valkyrie in the lineup.

Summoner Conditions
Location: Outside the tower where Master Summoner resides towering above the first Quintar race track north of Tall, Tall Heights.

• Summoner's Potential: Have a Summoner in the lineup.
  
• Summoner's Spirit: Have a Cleric and Summoner in the lineup.

Beastmaster Conditions
Location: Outside the tower where Beastmaster resides southwest of Castle Ramparts in Tall Tall Heights.

• Beastmaster's Potential: Have a Beastmaster in the lineup.
  
• Beastmaster's Spirit: Have the Quintar Ocarina, and have a Beastmaster in the lineup.

Weaver Conditions
Location: Outside the tower where Master Weaver resides in the western part of Jidamba Tangle.

• Weaver's Potential: Have a Weaver in the lineup.
  
• Weaver's Spirit: Have a Cleric and Weaver in the lineup.

Mimic Conditions
Location: Resides next to the Master Mimic in Chalice of Tar.

• Mimic's Potential: Have a Mimic in the lineup.
  
• Mimic's Spirit: Have a Mimic in the lineup.

Arithmetician Conditions
Location: At the first floor of the university, of know it all ducks in Capital Sequoia, in the class on the right.

• Arithmetician's Potential: Have a Arithmetician in the lineup.
  
• Arithmetician's Spirit: Have a Dervish, Shaman, Cleric, and Arithmetician in the lineup.

Swordmaster Conditions
Location: Stands in front of Samurai NPC on the Sky Arena.

• Swordmaster's Potential: Have a Swordmaster in the lineup.
  
• Swordmaster's Spirit: Have a Rogue and Swordmaster in the lineup.

Apothecary Conditions
Location: At the entrance of Salmon Pass, near the save crystal.

• Apothecary's Potential: Have a Apothecary in the lineup.
  
• Apothecary's Spirit: Have the Owl Drum, and have an Apothecary in the lineup.