diff --git a/code/__DEFINES/antagonists.dm b/code/__DEFINES/antagonists.dm
index 03dab4cf4f9..c4b6647ef87 100644
--- a/code/__DEFINES/antagonists.dm
+++ b/code/__DEFINES/antagonists.dm
@@ -71,6 +71,13 @@ GLOBAL_LIST_INIT(heretic_start_knowledge,list(/datum/eldritch_knowledge/spell/ba
 #define PATH_FLESH "Flesh"
 #define PATH_VOID "Void"
 
+/// Forces the blob to place the core where they currently are, ignoring any checks.
+#define BLOB_FORCE_PLACEMENT -1
+/// Normal blob placement, does the regular checks to make sure the blob isn't placing itself in an invalid location
+#define BLOB_NORMAL_PLACEMENT 0
+/// Selects a random location for the blob to be placed.
+#define BLOB_RANDOM_PLACEMENT 1
+
 #define CONSTRUCT_JUGGERNAUT "Juggernaut"
 #define CONSTRUCT_WRAITH "Wraith"
 #define CONSTRUCT_ARTIFICER "Artificer"
diff --git a/code/_onclick/hud/blob_overmind.dm b/code/_onclick/hud/blob_overmind.dm
index 5af4f278788..dd3224c5500 100644
--- a/code/_onclick/hud/blob_overmind.dm
+++ b/code/_onclick/hud/blob_overmind.dm
@@ -49,7 +49,7 @@
 	if(isovermind(usr))
 		var/mob/camera/blob/B = usr
 		if(!B.placed)
-			B.place_blob_core(0)
+			B.place_blob_core(BLOB_NORMAL_PLACEMENT)
 		B.transport_core()
 
 /atom/movable/screen/blob/blobbernaut
diff --git a/code/game/gamemodes/dynamic/dynamic_rulesets_midround.dm b/code/game/gamemodes/dynamic/dynamic_rulesets_midround.dm
index df58865a661..ffb6679af7f 100644
--- a/code/game/gamemodes/dynamic/dynamic_rulesets_midround.dm
+++ b/code/game/gamemodes/dynamic/dynamic_rulesets_midround.dm
@@ -444,7 +444,7 @@
 	enemy_roles = list("Security Officer", "Detective", "Head of Security", "Captain")
 	required_enemies = list(2,2,1,1,1,1,1,0,0,0)
 	required_candidates = 1
-	weight = 4
+	weight = 2
 	cost = 10
 	requirements = list(101,101,101,80,60,50,30,20,10,10)
 	repeatable = TRUE
@@ -453,6 +453,41 @@
 	var/body = applicant.become_overmind()
 	return body
 
+/// Infects a random player, making them explode into a blob.
+/datum/dynamic_ruleset/midround/blob_infection
+	name = "Blob Infection"
+	antag_datum = /datum/antagonist/blob
+	antag_flag = ROLE_BLOB
+	protected_roles = list("Prisoner", "Security Officer", "Warden", "Detective", "Head of Security", "Captain")
+	restricted_roles = list("Cyborg", "AI", "Positronic Brain")
+	enemy_roles = list("Security Officer", "Detective", "Head of Security", "Captain")
+	required_enemies = list(2,2,1,1,1,1,1,0,0,0)
+	required_candidates = 1
+	weight = 2
+	cost = 10
+	requirements = list(101,101,101,80,60,50,30,20,10,10)
+	repeatable = TRUE
+
+/datum/dynamic_ruleset/midround/blob_infection/trim_candidates()
+	..()
+	candidates = living_players
+	for(var/mob/living/player as anything in candidates)
+		var/turf/player_turf = get_turf(player)
+		if(!player_turf || !is_station_level(player_turf.z))
+			candidates -= player
+			continue
+
+		if(player.mind && (player.mind.special_role || length(player.mind.antag_datums) > 0))
+			candidates -= player
+
+/datum/dynamic_ruleset/midround/blob_infection/execute()
+	if(!candidates || !candidates.len)
+		return FALSE
+	var/mob/living/carbon/human/blob_antag = pick_n_take(candidates)
+	assigned += blob_antag.mind
+	blob_antag.mind.special_role = antag_flag
+	return ..()
+
 //////////////////////////////////////////////
 //                                          //
 //           XENOMORPH (GHOST)              //
diff --git a/code/modules/antagonists/blob/blob.dm b/code/modules/antagonists/blob/blob.dm
index 216352809f8..a8c54453f68 100644
--- a/code/modules/antagonists/blob/blob.dm
+++ b/code/modules/antagonists/blob/blob.dm
@@ -19,13 +19,25 @@
 	return basic_report
 
 /datum/antagonist/blob/greet()
+	to_chat(owner.current, span_notice("<font color=\"#EE4000\">You are the Blob!</font>"))
+	owner.announce_objectives()
 	if(!isovermind(owner.current))
-		to_chat(owner,span_userdanger("You feel bloated."))
+		to_chat(owner.current, span_notice("Use the pop ability to place your blob core! It is recommended you do this away from anyone else, as you'll be taking on the entire crew!"))
+
+	owner.current.playsound_local(get_turf(owner.current), 'sound/ambience/antag/blobalert.ogg', 100, FALSE, pressure_affected = FALSE, use_reverb = FALSE)
 
 /datum/antagonist/blob/on_gain()
 	create_objectives()
 	. = ..()
 
+/datum/antagonist/blob/remove_innate_effects()
+	QDEL_NULL(pop_action)
+	return ..()
+
+/datum/antagonist/blob/farewell()
+	to_chat(owner.current, "<span class='alertsyndie'><font color=\"#EE4000\">You are no longer the Blob!</font></span>")
+	return ..()
+
 /datum/antagonist/blob/proc/create_objectives()
 	var/datum/objective/blob_takeover/main = new
 	main.owner = owner
@@ -47,20 +59,51 @@
 	icon_icon = 'icons/mob/blob.dmi'
 	button_icon_state = "blob"
 
-/datum/action/innate/blobpop/Activate()
+	/// The time taken before this ability is automatically activated.
+	var/autoplace_time = OVERMIND_STARTING_AUTO_PLACE_TIME
+
+/datum/action/innate/blobpop/Grant(Target)
+	. = ..()
+	if(owner)
+		addtimer(CALLBACK(src, .proc/Activate, TRUE), autoplace_time, TIMER_UNIQUE|TIMER_OVERRIDE)
+		to_chat(owner, "<span class='big'><font color=\"#EE4000\">You will automatically pop and place your blob core in [DisplayTimeText(autoplace_time)].</font></span>")
+
+/datum/action/innate/blobpop/Activate(timer_activated = FALSE)
 	var/mob/living/old_body = owner
+	if(!owner)
+		return
+
 	var/datum/antagonist/blob/blobtag = owner.mind.has_antag_datum(/datum/antagonist/blob)
 	if(!blobtag)
-		Remove()
+		Remove(owner)
 		return
-	var/mob/camera/blob/B = new /mob/camera/blob(get_turf(old_body), blobtag.starting_points_human_blob)
-	owner.mind.transfer_to(B)
+
+	. = TRUE
+	var/turf/target_turf = get_turf(owner)
+	if(target_turf.density)
+		to_chat(owner, "<span class='warning'>This spot is too dense to place a blob core on!</span>")
+		. = FALSE
+	var/area/target_area = get_area(target_turf)
+	if(isspaceturf(target_turf) || !(target_area?.area_flags & BLOBS_ALLOWED) || !is_station_level(target_turf.z))
+		to_chat(owner, "<span class='warning'>You cannot place your core here!</span>")
+		. = FALSE
+
+	var/placement_override = BLOB_FORCE_PLACEMENT
+	if(!.)
+		if(!timer_activated)
+			return
+		placement_override = BLOB_RANDOM_PLACEMENT
+		to_chat(owner, "<span class='boldwarning'>Because your current location is an invalid starting spot and you need to pop, you've been moved to a random location!</span>")
+
+	var/mob/camera/blob/blob_cam = new /mob/camera/blob(get_turf(old_body), blobtag.starting_points_human_blob)
+	owner.mind.transfer_to(blob_cam)
 	old_body.gib()
-	B.place_blob_core(placement_override = TRUE, pop_override = TRUE)
+	blob_cam.place_blob_core(placement_override, pop_override = TRUE)
+	playsound(get_turf(blob_cam), 'sound/ambience/antag/blobalert.ogg', 50, FALSE)
 
 /datum/antagonist/blob/antag_listing_status()
 	. = ..()
 	if(owner?.current)
-		var/mob/camera/blob/B = owner.current
-		if(istype(B))
-			. += "(Progress: [B.blobs_legit.len]/[B.blobwincount])"
+		var/mob/camera/blob/blob_cam = owner.current
+		if(istype(blob_cam))
+			. += "(Progress: [length(blob_cam.blobs_legit)]/[blob_cam.blobwincount])"
diff --git a/code/modules/antagonists/blob/overmind.dm b/code/modules/antagonists/blob/overmind.dm
index 5e7c5c59ef3..b843c7d9d89 100644
--- a/code/modules/antagonists/blob/overmind.dm
+++ b/code/modules/antagonists/blob/overmind.dm
@@ -114,7 +114,7 @@ GLOBAL_LIST_EMPTY(blob_nodes)
 				to_chat(src, span_big("<font color=\"#EE4000\">You will automatically place your blob core in [DisplayTimeText(autoplace_max_time - world.time)].</font>"))
 				manualplace_min_time = 0
 			if(autoplace_max_time && world.time >= autoplace_max_time)
-				place_blob_core(1)
+				place_blob_core(BLOB_RANDOM_PLACEMENT)
 		else
 			qdel(src)
 	else if(!victory_in_progress && (blobs_legit.len >= blobwincount))
diff --git a/code/modules/antagonists/blob/powers.dm b/code/modules/antagonists/blob/powers.dm
index 7412cd5f687..46349c8e6bb 100644
--- a/code/modules/antagonists/blob/powers.dm
+++ b/code/modules/antagonists/blob/powers.dm
@@ -7,10 +7,10 @@
 	add_points(-cost)
 	return TRUE
 
-/mob/camera/blob/proc/place_blob_core(placement_override, pop_override = FALSE)
-	if(placed && placement_override != -1)
+/mob/camera/blob/proc/place_blob_core(placement_override = BLOB_NORMAL_PLACEMENT, pop_override = FALSE)
+	if(placed && placement_override != BLOB_FORCE_PLACEMENT)
 		return TRUE
-	if(!placement_override)
+	if(placement_override == BLOB_NORMAL_PLACEMENT)
 		if(!pop_override)
 			for(var/mob/living/M in range(7, src))
 				if(ROLE_BLOB in M.faction)
@@ -45,7 +45,7 @@
 		if(!pop_override && world.time <= manualplace_min_time && world.time <= autoplace_max_time)
 			to_chat(src, span_warning("It is too early to place your blob core!"))
 			return FALSE
-	else if(placement_override == 1)
+	else if(placement_override == BLOB_RANDOM_PLACEMENT)
 		var/turf/T = pick(GLOB.blobstart)
 		forceMove(T) //got overrided? you're somewhere random, motherfucker
 	if(placed && blob_core)
diff --git a/config/dynamic.json b/config/dynamic.json
index 93bbb139485..c503697963f 100644
--- a/config/dynamic.json
+++ b/config/dynamic.json
@@ -93,6 +93,10 @@
 			"weight": 0
 		},
 
+		"Blob Infection": {
+			"weight": 0
+		},
+
 		"Alien Infestation": {
 			"weight": 0
 		},
diff --git a/sound/ambience/antag/blobalert.ogg b/sound/ambience/antag/blobalert.ogg
new file mode 100644
index 00000000000..c9fcfbee448
Binary files /dev/null and b/sound/ambience/antag/blobalert.ogg differ