diff --git a/code/__DEFINES/research.dm b/code/__DEFINES/research.dm
index c385e467e8c..fa5f74f3ad1 100644
--- a/code/__DEFINES/research.dm
+++ b/code/__DEFINES/research.dm
@@ -115,6 +115,7 @@
 #define CELL_LINE_TABLE_SLIME "cell_line_slime_table"
 #define CELL_LINE_TABLE_SNAKE "cell_line_snake_table"
 #define CELL_LINE_TABLE_VATBEAST "cell_line_vatbeast_table"
+#define CELL_LINE_TABLE_NETHER "cell_line_nether_table"
 
 ///All cell virus types
 #define CELL_VIRUS_TABLE_GENERIC "cell_virus_generic_table"
diff --git a/code/_globalvars/lists/xenobiology.dm b/code/_globalvars/lists/xenobiology.dm
index 496107dc5ed..59460fe6693 100644
--- a/code/_globalvars/lists/xenobiology.dm
+++ b/code/_globalvars/lists/xenobiology.dm
@@ -24,6 +24,7 @@ GLOBAL_LIST_INIT_TYPED(cell_line_tables, /list, list(
 	CELL_LINE_TABLE_SLIME = list(/datum/micro_organism/cell_line/slime = 1),
 	CELL_LINE_TABLE_SNAKE = list(/datum/micro_organism/cell_line/snake = 1),
 	CELL_LINE_TABLE_VATBEAST = list(/datum/micro_organism/cell_line/vat_beast = 1),
+	CELL_LINE_TABLE_NETHER = list(/datum/micro_organism/cell_line/netherworld = 1),
 	CELL_LINE_TABLE_CLOWN = list(/datum/micro_organism/cell_line/clown/bananaclown = 1, /datum/micro_organism/cell_line/clown/fleshclown = 1, /datum/micro_organism/cell_line/clown/longclown = 1)
 	))
 
diff --git a/code/game/objects/structures/lavaland/geyser.dm b/code/game/objects/structures/lavaland/geyser.dm
index eb4e3b90164..96d3bd24f16 100644
--- a/code/game/objects/structures/lavaland/geyser.dm
+++ b/code/game/objects/structures/lavaland/geyser.dm
@@ -14,6 +14,10 @@
 	var/max_volume = 500
 	var/start_volume = 50
 
+/obj/structure/geyser/Initialize(mapload) //if xenobio wants to bother, nethermobs are around geysers.
+	. = ..()
+	AddElement(/datum/element/swabable, CELL_LINE_TABLE_NETHER, CELL_VIRUS_TABLE_GENERIC, 1, 5)
+
 /obj/structure/geyser/proc/start_chemming()
 	activated = TRUE
 	create_reagents(max_volume, DRAINABLE)
diff --git a/code/modules/mob/living/simple_animal/hostile/netherworld.dm b/code/modules/mob/living/simple_animal/hostile/netherworld.dm
index 209eebe5bc4..6f370179463 100644
--- a/code/modules/mob/living/simple_animal/hostile/netherworld.dm
+++ b/code/modules/mob/living/simple_animal/hostile/netherworld.dm
@@ -27,6 +27,10 @@
 	if(phaser)
 		teleport = new
 		teleport.Grant(src)
+	add_cell_sample()
+
+/mob/living/simple_animal/hostile/netherworld/add_cell_sample()
+	AddElement(/datum/element/swabable, CELL_LINE_TABLE_NETHER, CELL_VIRUS_TABLE_GENERIC_MOB, 1, 0)
 
 /datum/action/innate/creature
 	background_icon_state = "bg_default"
diff --git a/code/modules/research/xenobiology/vatgrowing/samples/cell_lines/common.dm b/code/modules/research/xenobiology/vatgrowing/samples/cell_lines/common.dm
index fe8ec9f28d8..0203790c3ac 100644
--- a/code/modules/research/xenobiology/vatgrowing/samples/cell_lines/common.dm
+++ b/code/modules/research/xenobiology/vatgrowing/samples/cell_lines/common.dm
@@ -374,6 +374,35 @@
 	. = ..()
 	qdel(vat)
 
+//randomizes from the netherworld pool!
+/datum/micro_organism/cell_line/netherworld
+	desc = "Aberrant residue"
+	required_reagents = list(//theme here: very odd requirements
+							/datum/reagent/water/hollowwater,//geyser reagent, so plentiful when found
+							/datum/reagent/consumable/ethanol/wizz_fizz, //EZ bartender drink, like brainless
+							/datum/reagent/yuck) //since the other two are easy to make tons of, this is kind of a limiter
+
+	supplementary_reagents = list( //all of these are just geyser stuff, rated by their rarity
+							/datum/reagent/wittel = 10, //stupid rare
+							/datum/reagent/medicine/omnizine/protozine = 5,
+							/datum/reagent/plasma_oxide = 3,
+							/datum/reagent/clf3 = 1)//since this is also chemistry it's worth near nothing
+
+	suppressive_reagents = list(//generics you would regularly put in a vat kill abberant residue
+						/datum/reagent/consumable/nutriment/peptides = -6,
+						/datum/reagent/consumable/nutriment/protein = -4,
+						/datum/reagent/consumable/nutriment = -3,
+						/datum/reagent/liquidgibs = -2
+						)
+	virus_suspectibility = 0
+	resulting_atoms = list(/mob/living/simple_animal/hostile/netherworld = 1)
+
+/datum/micro_organism/cell_line/netherworld/succeed_growing(obj/machinery/plumbing/growing_vat/vat)
+	var/random_result = pick(typesof(/mob/living/simple_animal/hostile/netherworld)) //i looked myself, pretty much all of them are reasonably strong and somewhat on the same level. except migo is the jackpot and the blank body is whiff.
+	resulting_atoms = list()
+	resulting_atoms[random_result] = 1
+	return ..()
+
 /datum/micro_organism/cell_line/clown/fuck_up_growing(var/obj/machinery/plumbing/growing_vat/vat)
 	vat.visible_message("<span class='warning'>The biological sample in [vat] seems to have created something horrific!</span>")
 	QDEL_NULL(vat.biological_sample) //Kill off the sample, we're done