Moriarty
One by one I tracked them and taught them what real pain is. Hell hath no fury like I have. I did none of the usual cutting off body parts or slicing and dicing. No. I stretched them on a rack. I used sulfuric acid to burn through skin and muscle. I pressed red hot coals into the areas of their bodies that the acid had corroded away. Four of them I killed by shoving a red hot firepoker through their hearts slowly. I made them feel every centimeter I pressed deeper into their chests. The one that killed my daughter, I made him swallow nitric acid and I watched as he choked on himself as his internal organs corroded away slowly and excruciatingly. But I fed the acid to him in small doses. It took him nearly an hour to die. I did not put him out of his misery like I did the others. I let him feel my own pain and agony up until his dying, ragged breath.
It is true that people show their true character in the moments right before death. Those five men were all cowards, begging for mercy as long as they could. But I had no mercy for them.
[OOC: Helena this really is where you stop talking to the psychopathic Irishman and go elsewhere.]