Found in the Underway Dungeon under the Wrestling arena (that's under the Empty Net Tavern.
Currently in the Bag of Holding
Bomb components
2 strong 3d12 fire
1x superior 9d20
60ft range
Magical Bomb Extras (20ft range)
in sack, Screamer Zombie 3d6 Psychic
Green vial, Undead blood 3d6 Necrotic
Shadow scales powdered 6d12 necrotic
Fuse
greased, 120 ft
Cannisters
2x Defence Mechanism, Resistance to non magical weapons when closed.
Secret button to open