Activating this trainer:
Press F1 at main menu.
Listen for 'Trainer Activated'.
Press desired hotkey.All hotkeys can be changed on the trainer.

Trainer Options:
NumPad1: Infinite HP
NumPad2: Infinite MP
NumPad3: One Hit Kills
NumPad4: Change Gold By 500
NumPad5: Change EXP Of Selected Character By 500
NumPad6: Easy Crafting
NumPad7: Super Speed
NumPad8: Unlimited Item Usage

Editor Options:
Misc: Gold
Selected Character: Experience
Selected Character: Level
Selected Character: Base Stats Atk
Selected Character: Base Evasion
Selected Character: Base Critical
Selected Character: Base Speed
Selected Character: Base Movement
Selected Character: Base Jump
Selected Character: Race
Selected Character: Gender

Notes:

Gold: On map open troop menu. Press hotkey or use editor. Go back to map to see it has changed.

Selected Character: On troop menu mouse hover (select) the character. Press hotkeys or use editor.

Easy Crafting: While active open crafting menu and you can craft everything for free. If an item is still locked just open crafting menu again.

Unlimited Item Usage: While active you can use as many items during battle as you want.