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 Health
NumPad2: Infinite Stamina
NumPad3: Unlock All Weapons
NumPad4: Change EXP By 50
NumPad5: Change Gold By 50
NumPad6: Change Talent Points By 5
NumPad7: Unlimited Item Usage
NumPad8: Unlimited Items
NumPad9: Unlimited Materials

Editor Options:
EXP
Gold
Hours Played
Talent Points

Notes:
Note: Tattoo points are bound to your level. So level up if you want more tattoo points.

Unlock All Weapons: While ingame and your health is visible press hotkey. Then open the menu to see all weapons are unlocked.

Change EXP / Gold / Talent Points: Open the ingame menu first, press hotkey. Close and reopen to see it has changed.

Unlimited Item Usage: While active items will not decrease when used.

Unlimited Items / Materials: While active open the inventory and all items / materials are unlimited.