If you do this while in the Geoscape ship, the effect is saved and will be permanent for that unit.

Numpad *: Set Level - select the unit you wish to affect or in combat, then press this to modify that trait. Numpad /: Set Critical Chance - select the unit you wish to affect or in combat, then press this to modify that trait. Numpad 0: Set Detection Radius - select the unit you wish to affect or in combat, then press this to modify that trait. Numpad 9: Set Dodge - select the unit you wish to affect or in combat, then press this to modify that trait. Numpad 8: Set Armor - select the unit you wish to affect or in combat, then press this to modify that trait. Numpad 7: Set Sight - select the unit you wish to affect or in combat, then press this to modify that trait. Numpad 6: Set Hacking - select the unit you wish to affect or in combat, then press this to modify that trait. Numpad 5: Set Will - select the unit you wish to affect or in combat, then press this to modify that trait. Numpad 4: Set Mobility - select the unit you wish to affect or in combat, then press this to modify that trait. Numpad 3: Set Defense - select the unit you wish to affect or in combat, then press this to modify that trait. Numpad 2: Set Aim - select the unit you wish to affect or in combat, then press this to modify that trait. Numpad 1: Set Health - select the unit you wish to affect or in combat, then press this to modify that trait.

Xcom 2 save game editor ps4