Balanced Setup

Tressa: Merchant/Scholar (Polearm, Bow, Staff, Wind, Fire, Ice, Lightning)
Haanit: Hunter/Warrior (Bow, Axe, Polearm, Sword, Lightning)
Alfyn: Apothecary/Thief (Axes, Sword, Dagger, Fire, Ice)
Primrose: Dancer/Cleric (Dagger, Staff, Dark, Light)

2x Polearm, 2x Bow, 2x Staff, 2x Sword, 2x Dagger, 1x Wind, 2x Fire, 2x Ice, 2x Lightning, 1x Dark, 1x Light
1x Purchase, 1x Provoke, 1x Inquire, 1x Allure

Steamroll Setup

Tressa: Merchant/Cleric (Polearm, Bow, Staff, Wind, Light)
Haanit: Hunter/Warrior (Axe, Bow, Polearm, Sword, Lightning)
Olberic: Warrior/Thief (Dagger, Sword, Polearm, Fire)
Cyrus: Scholar/Merchant (Polearm, Bow, Staff, Wind, Fire, Ice, Lightning)

4x Polearm, 3x Bow, 2x Staff, 2x Sword, 1x Dagger, 2x Wind, 2x Fire, 1x Ice, 2x Lightning, 0x Dark, 1x Light
1x Purchase, 1x Provoke, 1x Challenge, 1x Scrutinize (No Guide/Allure) | No Dancer or Apothecary skills.

But I need Therion for Chests Setup

Tressa: Merchant/Scholar (Polearm, Bow, Staff, Wind, Fire, Ice, Lightning)
Therion: Thief/Hunter (Swords, Daggers, Bows, Axes, Fire, Lightning)
Alfyn: Apothecary/Cleric (Axe, Staff, Ice, Light)
Primrose: Dancer/Warrior (Dagger, Sword, Polearm, Dark)

2x Polearm, 2x Bow, 2x Staff, 2x Sword, 2x Dagger, 1x Wind, 2x Fire, 2x Ice, 2x Lightning, 1x Dark, 1x Light
1x Purchase, 1x Steal, 1x Inquire, 1x Allure (No Challenge/Provoke)