"Ectoplasmic Residue" Achievement Trophy Ectoplasmic Residue: In Buried, acquire a perk for free. On The New zombies map Buried "Ectoplasmic Residue Achievement" br To complete this achievement you need to open the house with the ghost of that woman in, you will require the big guy to break open the door but after that all you have to do is kill her around 14 times. Once you have completed this you will get a free perk bottle and thats the Ectoplasmic Residue Achievement complete.br br We would works best with full auto weapon and Galvaknuckles but can be achieved without them.br br Guidebr br WARNING every time she hits you you lose 1000 Pointsbr br For those that said this achievement would involve killing the ghost you were absolutely correctbr Please Hit The Like Buttonbr And Subscribe So You Can Keep Up To Date br Or Leave A Comment Below We Always Reply ....