diff --git a/includes/powder.h b/includes/powder.h
index 5c3218e19..123ca455e 100644
--- a/includes/powder.h
+++ b/includes/powder.h
@@ -189,7 +189,8 @@
 #define PT_GNAR 138
 #define PT_REPL 139
 #define PT_MYST 140
-#define PT_NUM  141
+#define PT_BOYL 141
+#define PT_NUM  142
 
 #define R_TEMP 22
 #define MAX_TEMP 9999
@@ -425,6 +426,7 @@ static const part_type ptypes[PT_NUM] =
     {"GNAR",	PIXPACK(0xE5B73B),	0.0f,	0.00f * CFDS,	0.90f,	0.00f,	0.0f,	0.0f,	0.00f,	0.000f	* CFDS,	0,	0,		0,	0,	0,	1,	100,	SC_LIFE,		9000.0f,				40,		"B1/S1", TYPE_SOLID|PROP_LIFE, NULL},
     {"REPL",	PIXPACK(0x259588),	0.0f,	0.00f * CFDS,	0.90f,	0.00f,	0.0f,	0.0f,	0.00f,	0.000f	* CFDS,	0,	0,		0,	0,	0,	1,	100,	SC_LIFE,		9000.0f,				40,		"B1357/S1357", TYPE_SOLID|PROP_LIFE, NULL},
     {"MYST",	PIXPACK(0x0C3C00),	0.0f,	0.00f * CFDS,	0.90f,	0.00f,	0.0f,	0.0f,	0.00f,	0.000f	* CFDS,	0,	0,		0,	0,	0,	1,	100,	SC_LIFE,		9000.0f,				40,		"B3458/S05678", TYPE_SOLID|PROP_LIFE, NULL},
+    {"BOYL",	PIXPACK(0x0A3200),	1.0f,	0.01f * CFDS,	0.99f,	0.30f,	-0.1f,	0.0f,	0.18f,	0.000f	* CFDS,	0,	0,	0,	0,	1,	1,	1,		SC_GAS,			R_TEMP+2.0f	+273.15f,	42,		"Rawr", TYPE_GAS, NULL},
     //Name		Colour		Advec	Airdrag		Airloss	Loss	Collid	Grav	Diffus	Hotair		Fal	Burn		Exp	Mel	Hrd	M	Weights	Section			H						Ins		Description
 };
 
@@ -572,6 +574,7 @@ static part_state pstates[PT_NUM] =
     /* GOL  */ {ST_NONE,	PT_NONE, 0.0f,		PT_NONE, 0.0f,		PT_NONE, 0.0f,		PT_NONE, 0.0f},
     /* GOL  */ {ST_NONE,	PT_NONE, 0.0f,		PT_NONE, 0.0f,		PT_NONE, 0.0f,		PT_NONE, 0.0f},
     /* GOL  */ {ST_NONE,	PT_NONE, 0.0f,		PT_NONE, 0.0f,		PT_NONE, 0.0f,		PT_NONE, 0.0f},
+    /* BOYL */ {ST_GAS,		PT_NONE, 0.0f,		PT_NONE, 0.0f,  	PT_NONE, 50.0f,		PT_NONE, 0.0f},
     
 };
 static int grule[NGOL][9] = 
diff --git a/src/powder.c b/src/powder.c
index 404d4ac5c..303ed5892 100644
--- a/src/powder.c
+++ b/src/powder.c
@@ -1442,6 +1442,27 @@ void update_particles_i(pixel *vid, int start, int inc)
 					pv[y/CELL+1][x/CELL+1] += 0.1f*((parts[i].temp-273.15)-pv[y/CELL+1][x/CELL+1]);
 			}
 		}
+	     else if(t==PT_BOYL)
+		{
+			if(pv[y/CELL][x/CELL]<(parts[i].temp/100))
+				pv[y/CELL][x/CELL] += 0.001f*((parts[i].temp/100)-pv[y/CELL][x/CELL]);
+			if(y+CELL<YRES && pv[y/CELL+1][x/CELL]<(parts[i].temp/100))
+				pv[y/CELL+1][x/CELL] += 0.001f*((parts[i].temp/100)-pv[y/CELL+1][x/CELL]);
+			if(x+CELL<XRES)
+			{
+				pv[y/CELL][x/CELL+1] += 0.001f*((parts[i].temp/100)-pv[y/CELL][x/CELL+1]);
+				if(y+CELL<YRES)
+					pv[y/CELL+1][x/CELL+1] += 0.001f*((parts[i].temp/100)-pv[y/CELL+1][x/CELL+1]);
+			}
+			if(y+CELL>0 && pv[y/CELL-1][x/CELL]<(parts[i].temp/100))
+				pv[y/CELL-1][x/CELL] += 0.001f*((parts[i].temp/100)-pv[y/CELL-1][x/CELL]);
+			if(x+CELL>0)
+			{
+				pv[y/CELL][x/CELL-1] += 0.001f*((parts[i].temp/100)-pv[y/CELL][x/CELL-1]);
+				if(y+CELL>0)
+					pv[y/CELL-1][x/CELL-1] += 0.001f*((parts[i].temp/100)-pv[y/CELL-1][x/CELL-1]);
+			}
+		}
 	     else if(t==PT_SING)
 		{
 			int singularity = -parts[i].life;
@@ -3722,6 +3743,28 @@ void update_particles_i(pixel *vid, int start, int inc)
                     	    }
 			}
 	    }
+	    else if(t==PT_BOYL)
+            {
+                for(nx=-1; nx<2; nx++)
+                    for(ny=-1; ny<2; ny++)
+                        if(x+nx>=0 && y+ny>0 &&
+                                x+nx<XRES && y+ny<YRES && (nx || ny))
+                        {
+                            r = pmap[y+ny][x+nx];
+                            if((r>>8)>=NPART || !r)
+                                continue;
+			    if(parts[r>>8].type==PT_WATR && 1>rand()%30)
+			    {
+				parts[r>>8].type = PT_FOG;
+			    }
+			    if(parts[r>>8].type==PT_O2 && 1>rand()%9)
+			    {
+				parts[r>>8].type = PT_NONE;
+				t = parts[i].type = PT_WATR;
+				pv[y/CELL][x/CELL] += 4.0;
+			    }
+			}
+	    }
             else if(t==PT_FIRW) {
                 if(parts[i].tmp==0) {
                     for(nx=-1; nx<2; nx++)