I have improved the class tree
(Also BTW red text indicates lost classes)
~~Base Classes:~~
Melee Warrior
Ranged Warrior
~~Level 1 Classes:~~
Melee Warrior --> Swordsman, Helper, Wizard, Soldier, Paladin, Hacker
Ranged Warrior --> Sniper, Gunner, Cannoneer, Aircraft Specialist
~~Level 2 Classes:~~
Swordsman --> Samurai, Ninja, Double Swordsman, Knight
Helper --> Healer
Wizard --> Pyromancer, Hydromancer, Geomancer, Necromancer, Electromancer, Cyromancer
Soldier --> Private, Marine, Heavy Soldier
Paladin --> Heavy Soldier, Tank Driver
Hacker --> White Hat Hacker, Black Hat Hacker
Sniper --> Marksman, Sharpshooter, Assassin
Gunner --> Machine Gunner
Cannoneer --> Cannon Specialist
Aircraft Specialist --> Fighter Jet Pilot, Passenger Jet Pilot, Aircraft Maintenance Person
~~Level 3 Classes~~
Samurai --> Shogun, Daimyo
Ninja --> Assassin, Hitman, Nightwing
Double Swordsman --> Triple Swordsman, Knight Officer
Knight --> Knight Officer
Healer --> Medic, Paramedic
White Hat Hacker: CIA hacker
Black Hat Hacker: Terrorist Hacker
Literally every -Mancer class: Elemental Wizard
Private --> Lieutenant, Captain
Marine --> Navy S.E.A.L
Heavy Soldier --> Juggernaut
Fighter Jet Pilot --> Bomber Pilot, Stealth Pilot, Reconnaissance Fighter
Passenger Jet Pilot --> Passenger Jet Pilot doesn't evolve lmao
Aircraft Maintenance Person --> Aircraft Builder/Manufacturer
~~Level 4 Classes~~
Shogun --> Emperor
Daimyo --> Emperor
Assassin --> Guerilla Sniper, Paratrooper
Hitman: Gunslinger, Triggerman
CIA Hacker: Manager of Data
Terrorist Hacker: Terrorist
Nightwing: Shade
Medic: Surgeon, Virologist
Paramedic: Emergency Surgeon
Triple Swordsman: Quadruple Swordsman
Knight Officer --> Knight Marshal
Lieutenant --> Veteran, Colonel
Captain --> Corporal
Navy S.E.A.L --> Supreme Admiral
Juggernaut: Berserker, Terrorist
Bomber Pilot: Air Superior Pilot, Fighter Bomber
Stealth Pilot: Lightning II, Raptor
Reconnaissance Fighter: Death Pilot
Aircraft Builder: Doesn't evolve
~~Level 5 Classes~~
SOVIET DICTATOR
May improve this