Use the reworked Crimson Tempest to spread bleeds to multiple enemies.
Priority starts with Agility (highest item level). Secondary stats should focus on Critical Strike (for combo points) and Haste (for energy and bleed ticks). Core Rotation: assassinator
The Assassin Rogue relies on the mechanic to deal devastating "Auto-Crits." Use the reworked Crimson Tempest to spread bleeds