(EXPLOIT, Not necessarily a bug)
Mod Pack: Monster
Mod & Version: Tinkers' Construct (1.5.3) & GeoStrata (v18).
Pastebin link to crash log:
Whats the bug?
(The Smeltery from Tinkers' Construct gives you the resources as the mob/animal takes damage, and thus, it can be exploited.)
Using the...