I couldn't find it from Mharlndarn's PK deaths.
PK Deaths
Sep 14, 2010|Lv 30|Forest of NoWhere|vs 1: Ieszreth (100%,KB)
Sep 15, 2010|Lv 36|Arial City|vs 3: Dehefo (15%), Svuusk (50%, KB), Derhas (33%)
Sep 21, 2010|Lv 42|Mausoleum|vs 1: Durnto (100%,KB)
Oct 6, 2010 |Lv 51|Hamsah Mu'tazz|vs 1: Kraptius (100%,KB)
Oct 13, 2010|Lv 51|Domain of Eternal Night|Mharlndarn committed suicide
Oct 13, 2010|Lv 51|Maethien|vs 1: Ohbehb (100%,KB)
Oct 14, 2010|Lv 51|The Aryth Ocean|vs 1: Dahvel (100%,KB)
Oct 21, 2010|Lv 51|The Outlander Refuge|vs 3: Ormav (17%), Verino (17%), Cala (64%, KB)
Nov 8, 2010 |Lv 51|Domain of Eternal Night|vs 2: Kourin (1%), Chestav (98%, KB)
Nov 23, 2010|Lv 51|The Ruins of Ostalagiah|vs 1: Vaphexon (100%,KB) *Disemboweled*
Nov 27, 2010|Lv 51|The Eastern Road|vs 2: Aqeul (95%,KB), Floople (4%)
Dec 31, 2010|Lv 51|The Dragon Sea|vs 2: Flaaayin (1%), Hralpelk (98%, acidic bite)
Feb 1, 2011 |Lv 51|The Imperial Lands|vs 2: Aliastriana (73%, drowning), Athioles (26%)
Feb 20, 2011|Lv 51|Galadon|vs 3: Hajoboboq (23%, bloody shackles), Umrid (4%), Verren (71%)
Mar 2, 2011 |Lv 51|BattleRager Village|vs 1: Karkarrak (100%, slice)
May 17, 2011|Lv 51|Arkham|vs 2: Mirrou (24%), Baxyac (75%, slash)
May 20, 2011|Lv 51|BattleRager Village|vs 2: Hraustr (84%), Gryilious (15%, reverberating blast)
Jun 9, 2011 |Lv 51|BattleRager Village|vs 1: Sidius (100%, parting blow)
Jun 16, 2011|Lv 51|Balator|Mharlndarn committed suicide