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:

Numpad 1: Player HP

Numpad 2: Player Gold

Numpad 3: Hero HP

Numpad 4: Add Stars

Notes:

Don't use these options anywhere else or at other times than as directed.

Numpad 1: Player HP - probably best to use this at the beginning of the match. Press option while you see the HP (red hearts) and it will increase.

Numpad 2: Player Gold - probably best to use this at the beginning of the match. Press option while you see the gold you have (gold coins) and it will increase.

Numpad 3: Hero HP  - to use this, make sure you have a Hero visible. Next, pause the game and then press this key.  The Hero HP will be massive.

Numpad 4: Add Stars - use this when at the Upgrades Window from the Map.  Click Upgrades and then press key to add more.  Each press adds more.