Waste Not
Damage from Void Ray has a 200% increased chance to generate a Soul Fragment.
Tree position
In the Devourer Demon Hunter talent tree, Waste Not sits in the Devourer specialization talents, row 6 of 11. It is a single-point node. Its row opens once 8 points are spent in Devourer Talents.
Connected above
The tree draws a line into Waste Not from Soulshaper.
SoulshaperEach Soul Fragment gathered by Reap increases its damage by 8%.
Connected below
Waste Not leads on to Focused Ray.
Focused RayVoid Ray deals 80% more damage when damaging 3 targets.
Same row
Also on this row: Singed Spirit, Sweet Suffering, Second Helping, Umbral Blade, Improved Consume and Sweet Release.
Singed SpiritSoul Immolation generates an additional Fury over its duration.
Sweet Suffering2 ranksThe duration of Feast of Souls is increased by 1 sec. Soul Fragments grant 1% increased damage for 6 sec. Multiple applications may overlap.
Second HelpingReap gains an additional charge.
Umbral BladeReap's cooldown is reduced by your Haste.

Sweet Release2 ranksYour chance to shatter a Soul Fragment from enemies you damage is increased by 2%.
Talent trees
Waste Not is in the talent tree of 3 specializations. Demon Hunter: Devourer (DPS), Havoc (DPS), Vengeance (Tank).
Waste Not Changes by patch
Tracked changes to this talent between game data builds, newest first.
- First tracked in the game data (patch 12.1.0)