Does World of Warcraft need to be more difficult?

[CAN]

muru was the easiest boss

Code:

#1 Ouro - 87 days from the Twin Emperors' death. 26th April 2006. #2 C'thun - 86 days from the Twin Emperors' death. 25th April 2006. #3 tied Chromaggus - 74 days from Ebonroc's death. 25th September 2005. #3 tied Ragnaros - 74 days from Majordomo Executus' death. 25th April 2005. #5 Yogg-Saron, Alone in the Darkness - 70 days from Stars' first pull. 7th July 2009 #6 High Astromancer Solarian - 59 days from Magtheridon's death (unlocking the Eye). 24th April 2007 #7 The Four Horsemen - 56 days from Gothik's death to D&T's kill. August 25th 2006 #8 Al'ar <Phoenix God> - 48 days from Magtheridon's death. 13th April 2007 #9 The Lich King (Heroic 25) - 42 Days from Heroic Putricide's death (first pull). March 26th 2010 #10 Heroic Al'Akir 25 - 36 days from Heroic Conclave of Wind's death. January 22nd 2011. #11 Kael'thas Sunstrider <Lord of the Blood Elves> - 31 days from Solarian's death (first pull). 25th May 2007 #12 Magtheridon - 29 days from the first level 70 25-man raid. 24th February 2007 #13 Lady Vashj <Coilfang Matron> - 17 days from being unlocked. 29th March 2007 #14 Leotheras the Blind - 16 days from Hydross' death. 4th March 2007 #15 Loatheb - 14 days from Heigan's death. 17th July 2006 #16 tied Heigan the Unclean - 13 days from Noth the Plaguebringer's death. 3rd July 2006 #16 tied Hydross the Unstable <Duke of Currents> - 13 days from Gruul's death (Unlocking Serpentshrine). 16th February 2007 #16 tied Heroic Cho'gall - 13 days from Heroic Ascendant Council's death. 15th January 2011. #16 tied Heroic Nefarian - 13 days from Heroic Atramedes' death. January 9th 2011. #20 tied Archimonde <The Defiler> - 10 days from Azgalor's death. 9th June 2007 #20 tied Gothik the Harvester - 10 days from Instructor Razuvious' death. 30th June 2006 #22 tied Mimiron Firefighter 25 - 8 days from Ensidia's first pull. May 1st 2009 #22 tied Sapphiron - 8 days from Four Horsemen dying. 2nd September 2006 #22 tied Gruul the Dragonkiller - 8 days from Maulgar's death. 3rd February 2007 #25 Reliquary of Lost Souls - 6 days from Gurtogg's death. 2nd June 2007 #26 tied Kel'Thuzad - 5 days from Sapphiron's death. 7th September 2006 #26 tied Kil'jaeden <The Deceiver> - 5 days from the opening of the third Sunwell gate. 25th May 2008 #26 tied Sinestra - 5 days from Heroic Cho'gall's death. January 20th 2011. #29 tied Heroic Anub'arak 25 - 4 days from Heroic Twin Val'kyr's death. September 6th 2009. #29 tied M'uru. 4 days from the opening of the second Sunwell gate. 4th May 2008