Made Cyanide more deadly, added OD to Hyperzine

Because fuck those who OD on Hyperzine, and Cyanide needs to kill faster
(not like cyanide is used by anyone else than Nukeops anyways)

code/modules/reagents/Chemistry-Reagents.dm

@@ -403,8 +403,8 @@ datum
 
 			on_mob_life(var/mob/living/M as mob)
 				if(!M) M = holder.my_atom
-				M.adjustToxLoss(4)
-				M.adjustOxyLoss(4)
+				M.adjustToxLoss(14)
+				M.adjustOxyLoss(14)
 				M.sleeping += 1
 				..()
 				return
@@ -1866,8 +1866,22 @@ datum
 
 			on_mob_life(var/mob/living/M as mob)
 				if(!M) M = holder.my_atom
+				if(!data) data = 1
 				if(prob(5)) M.emote(pick("twitch","blink_r","shiver"))
+				data++
+				switch(data)
+					if(35 to 50)
+						M.adjustOxyLoss(1) //They basically run out of breath
+
+					if(51 to 79) // Their cells burn more oxygen than the body can distribute
+						M.adjustToxLoss(1)
+						M.adjustOxyLoss(2)
+
+					if(80 to INFINITY) // At this point you're fucked
+						M.adjustOxyLoss(5) //you'll pass out pretty fucking quick, and die shortly after
 				..()
+
+
 				return
 
 		cryoxadone