W,A,S,D: Move Leader Character
Left Click: Attack / Use Menu / Use Action
Left Click (Held): Assign follower to Building / Charge Attack / Drag-Drop Items

Right Click: Cancel Action
Right Click (Held): Select Followers / Drag-Drop Items
Middle Click/R: Dismiss selected Followers

Tab: Follower Info
Q: Build Menu
E: Command Menu

Right Click held + Left Click: Set Wait Point for selected units

Z: Demolition Mode (Destroy Buildings)
(Hold)Shift + Left Click: Will place a building or use an item without canceling selection.

X: Attack Order, Sends selected Combat Followers to attack.
C: Return Order, Calls back selected Combat Followers from attacking.
T: Change Job Type selected by right click selection.

Left Click and Drag: Build walls in a line. 

1, 2, 3, ect: Ability Hotkeys.

F: Near Crystal, Level up / Upgrade Building / Use Idol