From Liquipedia Warcraft Wiki
1600 / 800
Capable of attacking land and air units, the Guard Tower is an able defense for Human settlements.
The Guard Tower is only available by upgrading from the Scout Tower.
Spells & Abilities
|Balance Patch History|
|Patch Version||Balance Changes|
|1.19|| Human Towers (Guard, Cannon, Arcane and Scout) now gain 1 armor per masonry upgrade, down from 2.|
|1.13|| Human towers now gain 2 armor per masonry upgrade, up from 1.|
|1.10||Guard Towers and Arcane Towers now cost 70/50 to upgrade, down from 80/60.|