There are two types of 'a goblin' in Butcherblock Mountains.
If you kill 'a goblin' wandering around the zone, around level 4-6, you get:
Your faction standing with <a Faction="365">Pickclaw Goblins</a> has been adjusted by -1.
Your faction standing with <a Faction="263">Guardians of the Vale</a> has been adjusted by 1.
Your faction standing with <a Faction="475">King Xorbb</a> has been adjusted by 1.
You receive 2 silver as your split.
You have slain a goblin!
but if you kill 'a goblin' near the dwarf statues and 'a crazed goblin', around level 26-29, you get:
Your faction standing with <a Faction="225">Clan Runnyeye</a> has been adjusted by -1.
Your faction standing with <a Faction="355">Storm Reapers</a> has been adjusted by 1.
Your faction standing with <a Faction="263">Guardians of the Vale</a> has been adjusted by 1.
Your faction standing with <a Faction="312">Storm Guard</a> has been adjusted by 1.
Your faction standing with <a Faction="475">King Xorbb</a> has been adjusted by 1.
You receive 9 gold, 8 silver and 9 copper as your split.
You have slain a goblin!