Explosive Bomb

Adds an explosive bomb to the black forest tier. Its great both for mining and in combat.

This is spun off of a side comment by streamer paak_hc, in which they suggested that ooze bombs should destroy the mud piles in Sunken Crypts.

Explosive Bomb x4:

Coal x5
Resin x5
Surtling Core x1

Chop: 72
Pickaxe: 56
Blunt: 56
Pierce: 15
Fire: 15
Lightning: 15