Prometheans can process blood without exploding.

code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Core.dm

@@ -42,12 +42,21 @@
 	var/effective_dose = dose
 	if(issmall(M)) effective_dose *= 2
 
+<<<<<<< HEAD
 	var/is_vampire = 0 //VOREStation Edit START
 	if(ishuman(M))
 		var/mob/living/carbon/human/H = M
 		if(H.species.gets_food_nutrition == 0)
 			H.nutrition += removed
 			is_vampire = 1 //VOREStation Edit END
+=======
+	if(alien == IS_SLIME)	// Treat it like nutriment for the jello, but not equivalent.
+		M.heal_organ_damage(0.2 * removed * volume_mod, 0)	// More 'effective' blood means more usable material.
+		M.nutrition += 20 * removed * volume_mod
+		M.add_chemical_effect(CE_BLOODRESTORE, 4 * removed)
+		M.adjustToxLoss(removed / 2)	// Still has some water in the form of plasma.
+		return
+>>>>>>> cd628f1... Merge pull request #5698 from Mechoid/Blood_For_The_Blood_Promethean
 
 	if(effective_dose > 5)
 		if(is_vampire == 0) //VOREStation Edit.
@@ -68,6 +77,9 @@
 		var/mob/living/carbon/human/H = M
 		if(H.isSynthetic())
 			return
+	if(alien == IS_SLIME)
+		affect_ingest(M, alien, removed)
+		return
 	if(data && data["virus2"])
 		var/list/vlist = data["virus2"]
 		if(vlist.len)
@@ -79,6 +91,9 @@
 		M.antibodies |= data["antibodies"]
 
 /datum/reagent/blood/affect_blood(var/mob/living/carbon/M, var/alien, var/removed)
+	if(alien == IS_SLIME)	//They don't have blood, so it seems weird that they would instantly 'process' the chemical like another species does.
+		affect_ingest(M, alien, removed)
+		return
 	M.inject_blood(src, volume * volume_mod)
 	remove_self(volume)
 

html/changelogs/Mechoid-PromBlud.yml

@@ -0,0 +1,36 @@
+################################
+# Example Changelog File
+#
+# Note: This file, and files beginning with ".", and files that don't end in ".yml" will not be read. If you change this file, you will look really dumb.
+#
+# Your changelog will be merged with a master changelog. (New stuff added only, and only on the date entry for the day it was merged.)
+# When it is, any changes listed below will disappear.
+#
+# Valid Prefixes: 
+#   bugfix
+#   wip (For works in progress)
+#   tweak
+#   soundadd
+#   sounddel
+#   rscadd (general adding of nice things)
+#   rscdel (general deleting of nice things)
+#   imageadd
+#   imagedel
+#   maptweak
+#   spellcheck (typo fixes)
+#   experiment
+#################################
+
+# Your name.  
+author: Mechoid
+
+# Optional: Remove this file after generating master changelog.  Useful for PR changelogs that won't get used again.
+delete-after: True
+
+# Any changes you've made.  See valid prefix list above.
+# INDENT WITH TWO SPACES.  NOT TABS.  SPACES.
+# SCREW THIS UP AND IT WON'T WORK.
+# Also, all entries are changed into a single [] after a master changelog generation. Just remove the brackets when you add new entries.
+# Please surround your changes in  double quotes ("), as certain characters otherwise screws up compiling. The quotes will not show up in the changelog.
+changes: 
+  - tweak: "Prometheans are no longer murdered by blood, and instead process it like a weak nutrient. Will slow the regeneration of toxins due to water content."