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

Promo Options:
Insert: Super Speed

Trainer Options:
NumPad1: Infinite Health
NumPad2: Infinite Mana
NumPad3: Change Gold By 500
NumPad4: Change Level Of Selected Character By 1
NumPad5: Change EXP Of Selected Character By 250
NumPad6: Change Total Talent Points Of Selected Character By 5
NumPad7: EXP Multiplier
NumPad8: One Hit Kills
NumPad9: Change ID Of Selected Item By 1
NumPad0: Change Quantity Of Selected Item By 5
NumPad/: Change Strength Of Selected Character By 1
NumPad*: Change Endurance Of Selected Character By 1
NumPad-: Change Agility Of Selected Character By 1
NumPad+: Change Dexterity Of Selected Character By 1
NumPad.: Change Charm Of Selected Character By 1
Page UP: Change Magic Might Of Selected Character By 1
Page Down: Change Magic Heal Of Selected Character By 1
Insert: Super Speed
Home: Slow Motion
End: Unlimited Forge Focus Points
F1: Freeze Time Of Day
F2: Change Time Of Day By (Hours) 1
F3: Change Time Of Day By (Hours) -1
F4: Stealth Mode
F5: Perfect Forge Bashing
F6: Save Position
F7: Teleport
F8: Undo Teleport
F9: Unlimited Perfectionist Pearls
F10: Unlimited Casino Tokens
F11: Easy Forging
F12: Instant Pepped Up State
CTRL + NumPad1: Unlimited Mini Medals
CTRL + NumPad2: Infinite Horse Stamina

Editor Options:
Misc: Gold
Selected Character: Name
Selected Character: Level
Selected Character: Current Health
Selected Character: Current Mana
Selected Character: Strength
Selected Character: Endurance
Selected Character: Agility
Selected Character: Dexterity
Selected Character: Charm
Selected Character: Magic Might
Selected Character: Magic Heal
Selected Character: Maximum Health
Selected Character: Maximum Mana
Selected Character: Current EXP
Selected Character: Total Talent Points
Selected Character: Spent Talent Points
Selected Item: ID
Selected Item: Quantity
Time: Time Of Day
Modifier: EXP Multiplier

Notes:

Gold: Open ingame menu where gold is shown first. Press hotkey, close menu and open it again to see changes.

Selected Character: Open the EQUIPMENT screen of the selected character first. Make your changes then open status screen of the character to see it has changed.

Selected Character Name: Open the EQUIPMENT screen of the selected character first. Please note the name cannot have more than 10 chars. When shorter than 10 chars you have to fill it up with empty spaces.

EXP Multiplier: While active your gained EXP is multiplied by 4. You can change the amount by changing the editor item value.

Selected Item: Select the item in your item BAG (not your character inventory!). Make your changes, close bag and open it again to see changes.

Stealth Mode: While active enemies will not react to you at close range but you still trigger fights when running into them.