Heatstone

• Cost: 50 (or more, for higher level versions)
• Weight: 1/2 lbs.

Alchemically treated to enhance their natural heat-generating properties, these round or ovoid stones of volcanic glass provide enough heat to keep chambers warm in the coldest winter.

Used indoors, one heatstone keeps a 20-foot-square area comfortably warm even in extreme cold, or a 40-foot-square area in 'normal' cold weather.

Used outdoors, one heatstone negates cold-based environmental effects as if it were a campfire.

A single heatstone is activated by striking it against any hard surface, after which point it continues to provide heat for 24 hours or the end of the next full night's sleep. An active heatstone radiates comfortable warmth, but does not give off enough heat to cook food or cause damage.

If used as ammunition in an Alchemical weapon (a sling, a stonebow, etc), a heatstone inflicts damage to a single target (no splash effects) as detailed below, and upon a successful hit, inflicts the Singed condition. This condition does not stack.

Higher level versions of this item offer improved damage and/or better saves (if applicable), but cost more, as described in the table below. The GM has final say over whether higher level versions are available in your location (or campaign).

You can purchase this item at a higher creator level than the minimum required to cast the spell. Doing so increases the potency of the item as described above, but also increases the cost, as follows:

Creator Level	Cost	Save DC	Damage Dealt	Man Off	Man Def
1	50 gp	-	1d6+1	-	-
2	113 gp	-	2d6+2	-	-
3	188 gp	-	3d6+3	-	-
4	275 gp	-	4d6+4	-	-
5	375 gp	-	5d6+5	-	-
6	500 gp	-	6d6+6	-	-
7	625 gp	-	7d6+7	-	-
8	800 gp	-	8d6+8	-	-
9	1,000 gp	-	9d6+9	-	-
10	1,250 gp	-	10d6+10	-	-
11	1,550 gp	-	11d6+11	-	-
12	1,875 gp	-	12d6+12	-	-
13	2,275 gp	-	13d6+13	-	-
14	2,800 gp	-	14d6+14	-	-
15	3,550 gp	-	15d6+15	-	-
16	4,825 gp	-	16d6+16	-	-
17	6,500 gp	-	17d6+17	-	-
18	9,000 gp	-	18d6+18	-	-
19	12,000 gp	-	19d6+19	-	-
20	16,000 gp	-	20d6+20	-	-

Creator Level	Cost	Save DC	Damage Dealt	Man Off	Man Def
21	21,250 gp	-	21d6+21	-	-
22	28,500 gp	-	22d6+22	-	-
23	37,750 gp	-	23d6+23	-	-
24	50,000 gp	-	24d6+24	-	-
25	65,000 gp	-	25d6+25	-	-
26	87,500 gp	-	26d6+26	-	-
27	115,000 gp	-	27d6+27	-	-
28	155,000 gp	-	28d6+28	-	-
29	205,000 gp	-	29d6+29	-	-
30	272,500 gp	-	30d6+30	-	-
31	360,000 gp	-	31d6+31	-	-
32	472,500 gp	-	32d6+32	-	-
33	625,000 gp	-	33d6+33	-	-
34	827,500 gp	-	34d6+34	-	-
35	1,102,500 gp	-	35d6+35	-	-

• Crafting: Profession (Alchemist) (DC is an Average skill check for the CL of the item)