In this encounter you meet a friendly silver-colored brahmin, B1000, with sparks flying off of it. It walks around something that resembles an abandoned steel mill. B1000 can be killed, but upon doing so, it just melts and after a few seconds it rises back again from the dead. Several kills are needed to put the beast to its final rest.
The abandoned steel mill is a reference to the demise of the terminators in Terminator 2: Judgment Day (being melted in a vat of molten steel). Much like the T-1000 in the movie, B1000 will "melt" into a puddle when damaged and then reform until killed.