This is required for the Mail Slot Achievement. A skillful sniper shot can go through the hole, and this will count as a headshot. There is a tiny centered opening near the top of the shield.Guardians rely on their shields for protection without them, Guardians are as vulnerable to attacks and powers as standard Assault Troopers.Usage of a high-powerered, accurate pistol or rifle is advised to remove them from the fight quickly. On high difficulty levels, it is advised to keep distance from Guardians, their heavy melee and Talon will make close-range combat difficult.The damage is still respectable even at medium ranges. Guardians are equipped with the M-358 Talon, which is a 'shotgun pistol,' that does extreme damage at close range.Guardians with their shields are immune to grab kills but are vulnerable to them without the shields. Naturally, they have no way (and little need) to dodge player attacks with their shield up, but once rid of it they can evade attacks with combat rolls. They almost always come in pairs, which helps mitigate flanking tactics and allows for them to cover each other and other Cerberus soldiers. A few weapons and powers can stagger them. Guardians are distinguished by the nearly impenetrable shields they carry. Guardians also carry electrical batons, much like the Centurions and Assault Troopers, but only use these when their shields are gone. They can also use their shields as an effective melee weapon if they get close enough.

Guardians are armed with the M-358 Talon pistol. Combining this exceptional protection with a suite of enviro-mapping systems, guardians focus on flanking opponents to flush them from cover.ДЄ Guardian's slow but relentless approach is intended to demoralize enemies as well as draw their fire, but rip away their shield, and guardians become little more than cannon fodder. The weight of the shield requires an armored suit equipped with hydraulic assists and a dedicated power supply. Guardians, the Cerberus equivalent of human tanks, are slow-moving soldiers who carry enormous polycrystalline-composite shields.

Data guardian 3