Trail of Schemes in the Catacombs

Steps

 * 1) Zone into the Vermin's Snye a sub-level in Down Below (the Qeynos sewers).
 * 2) Head to  and you will get attacked by 3 bloodsabers. Defeating them grants you auto-updating the quest with a ceremonial parchment  referring to the next quest Blood for Blood.
 * 3) Return to Daylia the Vigil.

Rewards

 * At least (at level 92)