For all of you who are stuck fighting a boss and dying over and over (especially after an Ascension) : in the Options menu, there's a Suicide button which also cancels your actual quest and allows you to randomly pick a new one and resume levelling up. Vote this up for everyone to read ! ^^
 "The Idle RPG 2:Renicipation"){kind=icon}
 "Bobblestitch"){kind=icon}
 "Snobli Run"){kind=icon}