diff --git a/mod_celadon/balance/_balance.dme b/mod_celadon/balance/_balance.dme
index eabb76a63c91..e21c4b7c4d70 100644
--- a/mod_celadon/balance/_balance.dme
+++ b/mod_celadon/balance/_balance.dme
@@ -21,6 +21,7 @@
 #include "code/hostile_mobs.dm"
 #include "code/ionrifle.dm"
 #include "code/items.dm"
+#include "code/legion_core.dm"
 #include "code/missions.dm"
 #include "code/structures.dm"
 #include "code/suit.dm"
diff --git a/mod_celadon/balance/code/legion_core.dm b/mod_celadon/balance/code/legion_core.dm
new file mode 100644
index 000000000000..14eb2b952809
--- /dev/null
+++ b/mod_celadon/balance/code/legion_core.dm
@@ -0,0 +1,49 @@
+/datum/reagent/medicine/soulus
+	name = "Soulus Dust"
+	description = "Ground legion cores. The dust quickly seals wounds yet slowly causes the tissue to undergo necrosis."
+	reagent_state = SOLID
+	color = "#302f20"
+	metabolization_rate = REAGENTS_METABOLISM * 0.8
+	overdose_threshold = 50
+	var/tox_dam = 0.1
+	clone_dam = 0
+
+/datum/reagent/medicine/soulus/expose_mob(mob/living/M, method=TOUCH, reac_volume, show_message = 1)
+	if(iscarbon(M) && M.stat != DEAD)
+		if(method in list(INGEST, INJECT))
+			M.jitteriness += reac_volume
+			if(M.getFireLoss())
+				M.adjustFireLoss(-reac_volume*1.2)
+			if(M.getBruteLoss())
+				M.adjustBruteLoss(-reac_volume*1.2)
+	if(prob(50))
+		SEND_SIGNAL(M, COMSIG_ADD_MOOD_EVENT, "legion", /datum/mood_event/legion_good, name)
+	else
+		SEND_SIGNAL(M, COMSIG_ADD_MOOD_EVENT, "legion", /datum/mood_event/legion_bad, name)
+	..()
+
+/datum/reagent/medicine/soulus/on_mob_life(mob/living/carbon/M)
+	M.adjustFireLoss(-0.15*REM, 0)
+	M.adjustBruteLoss(-0.15*REM, 0)
+	M.adjustToxLoss(clone_dam*REM, 0)
+	..()
+
+/datum/reagent/medicine/soulus/overdose_process(mob/living/M)
+	var/mob/living/carbon/C = M
+	if(!istype(C.getorganslot(ORGAN_SLOT_REGENERATIVE_CORE), /obj/item/organ/legion_skull))
+		var/obj/item/organ/legion_skull/spare_ribs = new()
+		spare_ribs.Insert(M)
+	..()
+
+/datum/reagent/medicine/soulus/on_mob_end_metabolize(mob/living/M)
+	SEND_SIGNAL(M, COMSIG_CLEAR_MOOD_EVENT, "legion")
+	..()
+
+/datum/reagent/medicine/soulus/pure
+	name = "Purified Soulus Dust"
+	description = "Ground legion cores."
+	reagent_state = SOLID
+	color = "#302f20"
+	metabolization_rate = REAGENTS_METABOLISM
+	overdose_threshold = 100
+	tox_dam = 0