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<blockquote data-quote="Celebrim" data-source="post: 7235460" data-attributes="member: 4937">As a first pass ruling, which ever object has the lower hardness breaks.&nbsp; Then if the container still lacked the volumn to contain the now powdered whatever, the container would split on its weakest point and leak whatever it contained.&nbsp;&nbsp; In the case of being contained in a pocket, this is fairly easy.&nbsp;&nbsp; Cloth has hardness zero, and will be ripped by almost any object, which will then fall to the floor beside the PC.&nbsp; In general, the force is steady but not explosive.&nbsp; You could use this to create crushing traps - a pipe filled with shrunk 'gravel' would become a potentially crushing pile of rocks - but you couldn't create a pipe bomb.&nbsp; The pipe would simply break and the pieces would land on the outside, relatively harmless compared to the thousands of pounds of rocks potentially landed on someone.&nbsp; Of course, even this would require a bit of planning.&nbsp; A 1&quot; diameter pipe would create a hazard only 16&quot; high.&nbsp;&nbsp; I might allow some amount of shrapnel in the case of well planned container bursting concepts, but any such plan would only create an effect inline with that available to a 3rd level spell.&nbsp;&nbsp; And, since there are already spells of this sort available in my homebrew game - for example rock burst and shrapnel blast - it would be very easy to flex to a 'stunt' if that was required.&nbsp;&nbsp; There would be no need at all to calculate pressure.&nbsp;&nbsp; I'd just transform the 'shrink object' into a sand burst, rock burst, or shrapnel blast at a cost of being a couple of caster levels below the caster level of the shrink object spell.</blockquote>

[QUOTE="Celebrim, post: 7235460, member: 4937"] As a first pass ruling, which ever object has the lower hardness breaks. Then if the container still lacked the volumn to contain the now powdered whatever, the container would split on its weakest point and leak whatever it contained. In the case of being contained in a pocket, this is fairly easy. Cloth has hardness zero, and will be ripped by almost any object, which will then fall to the floor beside the PC. In general, the force is steady but not explosive. You could use this to create crushing traps - a pipe filled with shrunk 'gravel' would become a potentially crushing pile of rocks - but you couldn't create a pipe bomb. The pipe would simply break and the pieces would land on the outside, relatively harmless compared to the thousands of pounds of rocks potentially landed on someone. Of course, even this would require a bit of planning. A 1" diameter pipe would create a hazard only 16" high. I might allow some amount of shrapnel in the case of well planned container bursting concepts, but any such plan would only create an effect inline with that available to a 3rd level spell. And, since there are already spells of this sort available in my homebrew game - for example [I]rock burst[/I] and [I]shrapnel blast[/I] - it would be very easy to flex to a 'stunt' if that was required. There would be no need at all to calculate pressure. I'd just transform the 'shrink object' into a sand burst, rock burst, or shrapnel blast at a cost of being a couple of caster levels below the caster level of the shrink object spell. [/QUOTE]

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