wasd : move cursor
f : show movable tiles
q : show attackable tiles
e : use special skill
i : toggle information(hp, mp, attack chance, move chance) display
enter : do some action(on movable tile : move, in attackable tile : attack)
spacebar : finish current turn

Knight(shield shape) : become invincible for 1 turn
Warrior(axe shape) : attacks all surrounding tiles
Wizard(staff shape) : teleports and freezes surrounding tiles for 1 turn

Move -> attack (O)
Attack -> move (X)
Any attack made by wizard will deplete its mp
Any attack can damage anyone(including your units)