Poison

Class	Cost (gp)	Method	Onset	DC	Fail
Injected
A	50	Injected	10–30 min.	10	15 (3d10) poison
B	250	Injected	2–12 min.	12	20 (4d10) poison
C	500	Injected	2–5 min.	13	25 (5d10) poison
D	1,000	Injected	1–2 min.	14	30 (6d10) poison
E	2,500	Injected	Immediate	17	On a failed save, drop to 0 HP and immediately begin making death saves at disadvantage, cannot be stabilized while poison is active except through death saves; on a successful save suffer 20 (4d10) poison damage
F	5,000	Injected	Immediate	19	0 HP; death saves at disadvantage
Ingested
G	100	Ingested	2–12 hours	12	20 (4d10) poison
H	100	Ingested	1–4 hours	12	20 (4d10) poison
I	250	Ingested	2–12 min.	14	30 (6d10) poison
J	1,000	Ingested	1–4 min.	17	0 HP; death saves at disadvantage
Contact
K	50	Contact	2–8 min.	10	5 (1d10) poison
L	100	Contact	2–8 min.	12	11 (2d10) poison
M	500	Contact	1–4 min.	13	20 (4d10) poison
N	2,500	Contact	1 min.	17	0 HP; death saves at disadvantage
Special
O	500	Injected	2–24 min.	15	Paralyzed for 1 hour Incapacitated until end of next turn
P	250	Injected	1–3 hours	13	Poisoned for 24 hours; speed halved; disadvantage on Str and Dex checks Poisoned for 1 hour

Costs per dose on the black market, derived from the Dragon Magazine #81 framework. Onset time is when the Constitution saving throw is first required. Creatures reduced to 0 HP by Class E, F, J, or N poison can only be restored by raise dead or more powerful magic.