Explosive Shrapnel is the second Black Powder Bomb technique. Packing the bomb with shrapnel makes it hit harder over a wider area.
Aim for the middle of a tight group to catch everyone in the larger blast.
You need Concussive Blast first.
Blinding Dust
Smoke Bombs briefly blind enemies in the cloud, and the smoke lingers longer.
Concussive Blast
The Black Powder Bomb's shockwave knocks enemies down.
Explosive Powder
A direct Sticky Bomb hit kills the target, and the blast grows bigger and hits harder.
Guarded Throw
Your own bomb blasts no longer hurt you.