Riftmaw

Drops

Item	Kind	Quantity	Rate
Void Bones	Bones	1	Always
Null Essence	Drop	1	43.1%1/2
Void Ore	Drop	1	40.3%1/2
Void Essence	Drop	1	11.1%1/9
Null Essence	Tertiary	104	6.7%1/15
Fateshard	Tertiary	1	1.3%1/80
Riftsteel Filing	Tertiary	1	0.30%1/333
Juggernaut Rivet	Tertiary Riftscar Brutal	1	0.22%1/448
Colossus Weight	Tertiary Riftscar Brutal	1	0.22%1/448
Rending Hook	Tertiary Riftscar Brutal	1	0.22%1/448
Brutality Setting	Tertiary Riftscar Brutal	1	0.22%1/448
Aggressor Crest	Tertiary Riftscar Brutal	1	0.22%1/448
Onslaught Setting	Tertiary Riftscar Brutal	1	0.22%1/448
Void Essence	Tertiary	1	0.17%1/599
Cleave Wedge	Tertiary Riftscar Brutal	1	0.09%1/1,075
Momentum Coil	Tertiary Riftscar Brutal	1	0.09%1/1,075
Crescendo Talisman	Tertiary Riftscar Brutal	1	0.04%1/2,688
Shatter Core	Tertiary Riftscar Brutal	1	0.04%1/2,688
Riftmaw Fang	Tertiary	1	0.02%1/5,263

Named gear

Item	Rate
Riftmaw Fang	0.02%1/5,263

Slayer

Requires Slayer level 105 — Void Ore. Void Ore and fourteen Void Essence on task, plus the Riftmaw Fang.