You will be fighting all three major mercenary groups during Dossier: Archangel. The Eclipse, the Blue Suns and Blood Pack. This upgrade allows Medi-Gel to restore Commander Shepard and the squad to full health and shields. It is available after three Medi-Gel capacity upgrades and costs 25000 Platinum.

However, if you plan on doing this Dossier early, try to at least acquire the Emergency Shielding research from the Normandy Tech Lab first.

Out of all the base Dossiers handed by the Illusive Man (Not counting DLC), THIS IS BY FAR THE MOST CHALLENGING ONE. So keep this in mind before taking on it, because delaying it to improve your squad level, a more diverse cast of companions or having better Weapons can be a great game changer when doing Dossier: Archangel. Dossier: Archangel is one of the four initial Dossiers you receive from him (Six if you have the corresponding DLC). You are given this Mission by the Illusive Man after finishing Freedom's Progress. Full Dossier: Archangel Walkthrough Getting Ready

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