Adjusted borer spawns/options/vars.

code/modules/mob/holder.dm

@@ -54,14 +54,12 @@
 //Mob specific holders.
 
 /obj/item/weapon/holder/diona
-
 	name = "diona nymph"
 	desc = "It's a tiny plant critter."
 	icon_state = "nymph"
 	origin_tech = "magnets=3;biotech=5"
 
 /obj/item/weapon/holder/drone
-
 	name = "maintenance drone"
 	desc = "It's a small maintenance robot."
 	icon_state = "drone"
@@ -69,8 +67,13 @@
 
 
 /obj/item/weapon/holder/cat
-
 	name = "cat"
 	desc = "It's a cat. Meow."
 	icon_state = "cat"
-	origin_tech = null
+	origin_tech = null
+
+/obj/item/weapon/holder/borer
+	name = "cortical borer"
+	desc = "It's a slimy brain slug. Gross."
+	icon_state = "borer"
+	origin_tech = "biotech=6"

code/modules/mob/living/carbon/carbon.dm

@@ -1,6 +1,6 @@
 /mob/living/carbon/Life()
 	..()
-	
+
 	// Increase germ_level regularly
 	if(germ_level < GERM_LEVEL_AMBIENT && prob(30))	//if you're just standing there, you shouldn't get more germs beyond an ambient level
 		germ_level++
@@ -14,7 +14,7 @@
 				src.nutrition -= HUNGER_FACTOR/10
 		if((FAT in src.mutations) && src.m_intent == "run" && src.bodytemperature <= 360)
 			src.bodytemperature += 2
-			
+
 		// Moving around increases germ_level faster
 		if(germ_level < GERM_LEVEL_MOVE_CAP && prob(8))
 			germ_level++
@@ -206,7 +206,7 @@
 			if (istype(src,/mob/living/carbon/human) && src:w_uniform)
 				var/mob/living/carbon/human/H = src
 				H.w_uniform.add_fingerprint(M)
-				
+
 			if(lying)
 				src.sleeping = max(0,src.sleeping-5)
 				if(src.sleeping == 0)
@@ -216,7 +216,7 @@
 			else
 				M.visible_message("<span class='notice'>[M] hugs [src] to make [t_him] feel better!</span>", \
 								"<span class='notice'>You hug [src] to make [t_him] feel better!</span>")
-								
+
 			AdjustParalysis(-3)
 			AdjustStunned(-3)
 			AdjustWeakened(-3)
@@ -470,9 +470,10 @@
 		return
 
 	if(B.chemicals >= 100)
-		src << "\red <B>Your host twitches and quivers as you rapdly excrete several larvae from your sluglike body.</B>"
+		src << "\red <B>Your host twitches and quivers as you rapdly excretea larva from your sluglike body.</B>"
 		visible_message("\red <B>[src] heaves violently, expelling a rush of vomit and a wriggling, sluglike creature!</B>")
 		B.chemicals -= 100
+		B.has_reproduced = 1
 
 		new /obj/effect/decal/cleanable/vomit(get_turf(src))
 		playsound(loc, 'sound/effects/splat.ogg', 50, 1)

code/modules/mob/living/simple_animal/borer.dm

@@ -1,6 +1,7 @@
 /mob/living/captive_brain
 	name = "host brain"
 	real_name = "host brain"
+	universal_understand = 1
 
 /mob/living/captive_brain/say(var/message)
 
@@ -45,6 +46,8 @@
 	friendly = "prods"
 	wander = 0
 	pass_flags = PASSTABLE
+	universal_understand = 1
+	holder_type = /obj/item/weapon/holder/borer
 
 	var/used_dominate
 	var/chemicals = 10                      // Chemicals used for reproduction and spitting neurotoxin.
@@ -53,6 +56,11 @@
 	var/mob/living/captive_brain/host_brain // Used for swapping control of the body back and forth.
 	var/controlling                         // Used in human death check.
 	var/docile = 0                          // Sugar can stop borers from acting.
+	var/has_reproduced
+	var/roundstart
+
+/mob/living/simple_animal/borer/roundstart
+	roundstart = 1
 
 /mob/living/simple_animal/borer/Life()
 
@@ -96,9 +104,7 @@
 	..()
 	truename = "[pick("Primary","Secondary","Tertiary","Quaternary")] [rand(1000,9999)]"
 	host_brain = new/mob/living/captive_brain(src)
-
-	request_player()
-
+	if(!roundstart) request_player()
 
 /mob/living/simple_animal/borer/say(var/message)
 
@@ -338,7 +344,7 @@
 
 		detatch()
 
-mob/living/simple_animal/borer/proc/detatch()
+/mob/living/simple_animal/borer/proc/detatch()
 
 	if(!host) return
 
@@ -530,7 +536,7 @@ mob/living/simple_animal/borer/proc/detatch()
 		src << text("\blue You have stopped hiding.")
 
 //Procs for grabbing players.
-mob/living/simple_animal/borer/proc/request_player()
+/mob/living/simple_animal/borer/proc/request_player()
 	for(var/mob/dead/observer/O in player_list)
 		if(jobban_isbanned(O, "Syndicate"))
 			continue
@@ -538,7 +544,7 @@ mob/living/simple_animal/borer/proc/request_player()
 			if(O.client.prefs.be_special & BE_ALIEN)
 				question(O.client)
 
-mob/living/simple_animal/borer/proc/question(var/client/C)
+/mob/living/simple_animal/borer/proc/question(var/client/C)
 	spawn(0)
 		if(!C)	return
 		var/response = alert(C, "A cortical borer needs a player. Are you interested?", "Cortical borer request", "Yes", "No", "Never for this round")
@@ -549,7 +555,7 @@ mob/living/simple_animal/borer/proc/question(var/client/C)
 		else if (response == "Never for this round")
 			C.prefs.be_special ^= BE_ALIEN
 
-mob/living/simple_animal/borer/proc/transfer_personality(var/client/candidate)
+/mob/living/simple_animal/borer/proc/transfer_personality(var/client/candidate)
 
 	if(!candidate)
 		return
@@ -558,3 +564,4 @@ mob/living/simple_animal/borer/proc/transfer_personality(var/client/candidate)
 	src.ckey = candidate.ckey
 	if(src.mind)
 		src.mind.assigned_role = "Cortical Borer"
+		src.mind.special_role = "Cortical Borer"