Dusk Weaver reaches its stronger state after four successful Weaves and gives around 30% universal damage and speed. [1]
Details
Dusk Weaver: Weave caps at 4 stacks instead of 5; each stack gives +7.5% universal damage and speed. Nightfall: +10% insanity; a night-only aura deals 15 damage, drains 10 sanity from everyone nearby, and grants +10% universal damage and +10% speed for 15 seconds. [2]