Stellaris effect add_planet_devastation = command

This command adds <span class="parameter parameter-primary">Amount</span> of devastation to the selected <span class="parameter parameter-primary">create_archaeological_site). Negative amounts will reduce devastation.
Command syntax
effect add_planet_devastation = <span class="parameter parameter-primary">Amount</span>
effect add_planet_devastation = 5
How to open the console in Stellaris
Press the ~ / ` key to open the command console. This key is located at the top left of the keyboard, usually under the F1 or ESC key. Type the command and press the Enter key.