u can get it after youve returned frm the spire. if 당신 killed giles, it wnt be so easy. but if u helped giles get rid of ripper and his gang, u will notice a big change n brightwood farm. after 당신 do 1 last mission for giles, he will reward 당신 with the key to his cellar. thn just follow ur dog and fight ur way thru afew hollowmen and ur dog will lead u 2 where the weapon is buried.
당신 should do the quest Cold Comfort Farmer before going to the Spire. Once 당신 return 당신 should do the quest Blind Date. After finishing Blind Date, buy the farm house and 옮기기 in. Remove the key to the cellar from the closet on the 초 floor and then rent the property out. The weapon will not appear if 당신 are living there. 다음 go into the cellar that 당신 find in the 외양간, 헛간 of the farm. Your dog will lead 당신 to the Dig Spot where 당신 will find the Enforcer rifle.