Here's A List:
Elesis:
ST Knight with Meteor Slash accompanied with ST Provoke
Spear Maiden for Dragon Slash
Sword Master for Juggling and Dragon Dive
Lire:
ST Lire with Stardust Rain and Damage Amplifier
Crossbow for Dive Bombing
Arch Ranger For Chakra and fast combos
Nova for Blast Shoot
Arme:
ST Mage with Meteor, Shock Stun Level 2, and Athena's Sword
Alchemist for Cloud Kill and Big Bomb
Warlock for Blizzard
Battle Mage for Ice Ball, Freezing Spear, and Deep Impact
Lass:
ST Thief with Raven Walker and Wild Shuriken shot paired with Paralyzing Shuriken
Slasher for Blade Spirit
Ryan:
ST Druid with Bloody Funeral and Poison Spores
Sentinel for Fast combos, Soul Impact, and Spinning Phantom
Viken for Crow Wing and Nature Tamer
Avenger for Magnus Healing
Wolf for 2nd Skill
Nephilim for Extremely powerful normal attacks and mana gain
Ronan:
ST Magic Knight with Blast Bomb Level 1, Homing Buster, Spinning Slicer, and Holy Bless Level 3
Aegis Knight for Block and Psychic Force Cycle
Abyss Knight for Fast combos and Heaven's Guardian
Amy:
ST Dancer with Beaty Sign
Siren for Juggling
Sistina for Amyzilla
Jin:
Champion for Dragon Kick Juggle and high damage output of skills
Deva for Fast mana with Falling Sky and Rapid Fire, and Burning White Monkey Technique
Sieghart:
ST Gladiator with Mocking Blade
Warlord for Dive attack and Fire Blaster
Ares for Rising Punisher
Prime Knight for JF Dodging
Mari:
Ether Tech for Eraser
Polaris for Mana Bead and Call of Ruin