2 available from Detroit L.I.M.B clinic during your return to Detroit.
In the Derelict Row apartments, third floor, you’ll find a Praxis Pack sitting on the floor of the apartment here. You have to come here during your main missions anyway but be aware that if you just grab the pack you’ll die to a shotgun wielding maniac in the next room, deal with him before nabbing the upgrade.
Publisher Square Enix
Platforms Microsoft Windows, PlayStation 4, Xbox One