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Talking with Beckett at one's C.A.M.P. He suggests going to Watoga Underground, where the player character can speak with Beckett & Ronny. One will be given the key for future access. Enter the underground with Beckett and fight through the enemies. Eventually, one will reach a big red button to open the garage door.
Press the button and kill all remaining Blood Eagles and their robots. The player character will proceed to the Claw, who turns out to be Frankie Beckett. Resolve the situation with Beckett, either by killing Frankie or sparing him. Afterward, return to the C.A.M.P. and talk with Beckett to complete the quest.
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There are several security terminals with an option to open the garage door, but these options do not progress the quest.
Behind the scenesEdit
"Thicker than water" is a shortened version of the phrase "The blood of the covenant is thicker than the water of the womb." The blood of the covenant refers to bonds made by choice such as friendships while water of the womb refers to family relationships. The quest title refers to the fact that Beckett has made the choice that he will support his allies (i.e. the Resident and Ronny) over his brother.
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