Q W E R: These keys control your abilities. When you use an ability that requires a secondary action, such as selecting direction for attack or placing a trap, the action will be triggered when LMB is clicked on a valid selection.

Alt + Q W E R: Upgrades the respective ability when an upgrade point is available to spend.
or
L : Enter Level Up Mode

1 2 3 4: Potions. These keys control the player's consumption of potions. On release of the key, the selected potion is consumed.


A S D F: Commands. These keys control the Player's use of commands. On release of the key, the selected command is used.

B: Pressing will cause the player's Guardian to begin casting the ability that returns them to their home base.

Z: Toggle Zoom. Pressing will cause the camera to toggle between maximum height and minimum height positions.

Spacebar: Camera to Hero. If the camera is currently away from the Guardian's position on the map, pressing spacebar will snap the camera back to the position of your Guardian.
Spacebar: Pressing Spacebar will snap the camera back to the position of the player's Guardian. Hold to follow Guardian.

ESC: Pressing ESC during a match will cause the Lobby Menu to appear.

TAB: Pressing Tab will show the match scoreboard.

V: Pressing and holding enables voice chat. Allowing the player to communicate with their team.

Direction (arrow) Keys: If the camera is unlocked, this moves the camera independently from the Guardian in the direction that is pressed.

Enter: Team Chat. Pressing will bring up the text chat input UI, where you can manually type in chat for their team to see.

Apostrophe ‘: All Chat. Pressing ‘ will bring up the text chat input UI, where you can manually type in chat for anyone in the match to see.

Shift+Tab: Reserved for displaying the Steam Overlay

F12: Screenshot. Reserved for Steam Screenshot feature.

**Please do note that the key binding can not be changed, so it's advised for AZERTY keyboard users to switch the keyboard to english mode (Alt+Shift).

This info comes right from the Guardians of middle earth website: http://www.guardiansofmiddleearth.com/game/pc_quick_start_guide

I have just posted this up since you can't find these in game and many people have been asking. Enjoy!