For exemple if you want to farm Mad King’s Labyrinth: http://en.gw2skills.net/editor/?vVAQJAWRlsAhehY5QwbIwPEHBE1dbjgMwGAX7bmHiHMCB-T1BEwAGeAAMV+xS9H77P0RXAgjAwWlgCBQF-w
Sigil of fire on staff and sigil of bloodlust on GS if you want.
Edit: switched traits and 1 utility, you are completely right Neozcar I forgot to update the link after modifying it.
(edited by cassius.1037)