there we go

robot rad safe: 250, 750 with upgrade (500 for normal mobs)

Also some typo fixes

code/__DEFINES/DNA.dm

@@ -171,6 +171,7 @@
 #define ORGAN_SLOT_HEART_AID "heartdrive"
 #define ORGAN_SLOT_BRAIN_ANTIDROP "brain_antidrop"
 #define ORGAN_SLOT_BRAIN_ANTISTUN "brain_antistun"
+#define ORGAN_SLOT_BRAIN_ROBOT_RADSHIELDING "brain_robot_radshielding"
 #define ORGAN_SLOT_TAIL "tail"
 #define ORGAN_SLOT_PENIS "penis"
 #define ORGAN_SLOT_WOMB "womb"

code/__DEFINES/radiation.dm

@@ -18,6 +18,8 @@ Ask ninjanomnom if they're around
 #define RAD_BURN_THRESHOLD 1000						// Applied radiation must be over this to burn
 
 #define RAD_MOB_SAFE 500							// How much stored radiation in a mob with no ill effects
+#define RAD_DEFAULT_ROBOT_SAFE 250					// Like above, except for robotic carbons. Far more susceptible to corruption from radiation.
+#define RAD_UPGRADED_ROBOT_SAFE 750					// If the robot has been upgraded via an implant, their radiation threshold is raised to be somewhat above that of organics.
 
 #define RAD_MOB_HAIRLOSS 800						// How much stored radiation to check for hair loss
 

code/__DEFINES/traits.dm

@@ -119,6 +119,7 @@
 #define TRAIT_EASYLIMBDISABLE	"easy_limb_disable"
 #define TRAIT_TOXINLOVER		"toxinlover"
 #define TRAIT_ROBOTIC_ORGANISM	"robotic_organism"
+#define TRAIT_ROBOT_RADSHIELDING	"robot_radshielding"
 #define TRAIT_NOBREATH			"no_breath"
 #define TRAIT_ANTIMAGIC			"anti_magic"
 #define TRAIT_HOLY				"holy"
@@ -308,6 +309,7 @@
 #define LOCKED_HELMET_TRAIT "locked-helmet"
 #define NINJA_SUIT_TRAIT "ninja-suit"
 #define ANTI_DROP_IMPLANT_TRAIT "anti-drop-implant"
+#define ROBOT_RADSHIELDING_IMPLANT_TRAIT "robot-radshielding-implant"
 #define MARTIAL_ARTIST_TRAIT "martial_artist"
 #define SLEEPING_CARP_TRAIT "sleeping_carp"
 #define RISING_BASS_TRAIT "rising_bass"
@@ -319,7 +321,7 @@
 #define MEGAFAUNA_TRAIT "megafauna"
 #define DEATHSQUAD_TRAIT "deathsquad"
 #define SLIMEPUDDLE_TRAIT "slimepuddle"
-#define CORRUPTED_SYSTEM "corrupted_system"
+#define CORRUPTED_SYSTEM "corrupted-system"
 /// This trait is added by the active directional block system.
 #define ACTIVE_BLOCK_TRAIT				"active_block"
 /// This trait is added by the parry system.

code/_globalvars/traits.dm

@@ -53,6 +53,7 @@ GLOBAL_LIST_INIT(traits_by_type, list(
 		"TRAIT_EASYLIMBDISABLE" = TRAIT_EASYLIMBDISABLE,
 		"TRAIT_TOXINLOVER" = TRAIT_TOXINLOVER,
 		"TRAIT_ROBOTIC_ORGANISM" = TRAIT_ROBOTIC_ORGANISM,
+		"TRAIT_ROBOT_RADSHIELDING" = TRAIT_ROBOT_RADSHIELDING,
 		"TRAIT_NOBREATH" = TRAIT_NOBREATH,
 		"TRAIT_ANTIMAGIC" = TRAIT_ANTIMAGIC,
 		"TRAIT_HOLY" = TRAIT_HOLY,

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

@@ -443,8 +443,10 @@
 	if(radiation > RAD_MOB_SAFE)
 		if(!HAS_TRAIT(src, TRAIT_ROBOTIC_ORGANISM))
 			adjustToxLoss(log(radiation-RAD_MOB_SAFE)*RAD_TOX_COEFFICIENT)
-		else if(radiation > RAD_MOB_SAFE * 3)
-			adjustToxLoss(log(radiation-RAD_MOB_SAFE*3)*RAD_TOX_COEFFICIENT, toxins_type = TOX_SYSCORRUPT) //Robots are more resistant to rads, but in the end suffer slow corruption at high levels.
+		else
+			var/rad_threshold = HAS_TRAIT(src, TRAIT_ROBOT_RADSHIELDING) ? RAD_UPGRADED_ROBOT_SAFE : RAD_DEFAULT_ROBOT_SAFE
+			if(radiation > rad_threshold)
+				adjustToxLoss(log(radiation-rad_threshold)*RAD_TOX_COEFFICIENT, toxins_type = TOX_SYSCORRUPT) //Robots are less resistant to rads, unless upgraded in which case they are fine at higher levels than organics.
 
 /mob/living/carbon/handle_stomach()
 	set waitfor = 0

code/modules/research/designs/medical_designs.dm

@@ -522,6 +522,17 @@
 	category = list("Misc", "Medical Designs")
 	departmental_flags = DEPARTMENTAL_FLAG_MEDICAL
 
+/datum/design/cyberimp_robot_radshielding
+	name = "ECC System Guard Implant"
+	desc = "This implant can counteract the effects of harmful radiation in robots, effectively increasing their radiation tolerance significantly."
+	id = "ci-robot-radshielding"
+	build_type = PROTOLATHE | MECHFAB
+	construction_time = 40
+	materials = list(/datum/material/iron = 500, /datum/material/glass = 400, /datum/material/silver = 350, /datum/material/gold = 1000, /datum/material/diamond = 100)
+	build_path = /obj/item/organ/cyberimp/brain/robot_radshielding
+	category = list("Misc", "Medical Designs")
+	departmental_flags = DEPARTMENTAL_FLAG_MEDICAL
+
 /datum/design/cyberimp_nutriment
 	name = "Nutriment Pump Implant"
 	desc = "This implant with synthesize and pump into your bloodstream a small amount of nutriment when you are starving."

code/modules/research/techweb/nodes/medical_nodes.dm

@@ -96,7 +96,7 @@
 	display_name = "Advanced Cybernetic Implants"
 	description = "Upgraded and more powerful cybernetic implants."
 	prereq_ids = list("neural_programming", "cyber_implants","integrated_HUDs")
-	design_ids = list("ci-toolset", "ci-surgery", "ci-reviver", "ci-nutrimentplus")
+	design_ids = list("ci-toolset", "ci-surgery", "ci-reviver", "ci-nutrimentplus", "ci-robot-radshielding")
 	research_costs = list(TECHWEB_POINT_TYPE_GENERIC = 2500)
 
 /datum/techweb_node/combat_cyber_implants

code/modules/surgery/organs/augments_internal.dm

@@ -118,6 +118,35 @@
 	crit_fail = FALSE
 	organ_flags &= ~ORGAN_FAILING
 
+/obj/item/organ/cyberimp/brain/robot_radshielding
+	name = "ECC System Guard implant"
+	desc = "This implant can counteract the effects of harmful radiation in robots, effectively increasing their radiation tolerance significantly."
+	implant_color = "#0066ff"
+	slot = ORGAN_SLOT_BRAIN_ROBOT_RADSHIELDING
+
+/obj/item/organ/cyberimp/brain/robot_radshielding/emp_act(severity)
+	. = ..()
+	if(!owner || . & EMP_PROTECT_SELF)
+		return
+	if(!HAS_TRAIT(owner, TRAIT_ROBOTIC_ORGANISM))
+		return //Why did you even get yourself implanted this if you aren't a robot?
+	owner.adjustToxLoss(severity / 10, toxins_type = TOX_SYSCORRUPT)
+	to_chat(owner, "<span class='warning'>Your ECC implant suddenly behaves very erratically, scrambling your system.</span>")
+
+/obj/item/organ/cyberimp/brain/robot_radshielding/Insert(mob/living/carbon/M, special = 0, drop_if_replaced = TRUE)
+	. = ..()
+	if(!.)
+		return
+	ADD_TRAIT(owner, TRAIT_ROBOT_RADSHIELDING, ROBOT_RADSHIELDING_IMPLANT_TRAIT) //Organics can get this, but it does literally nothing for them except cause more pain if EMPd, so uh, good on you?
+
+/obj/item/organ/cyberimp/brain/robot_radshielding/Remove(special = FALSE)
+	. = ..()
+	if(!.)
+		return
+	var/mob/living/carbon/C = .
+	REMOVE_TRAIT(C, TRAIT_ROBOT_RADSHIELDING, ROBOT_RADSHIELDING_IMPLANT_TRAIT)
+
+
 
 //[[[[MOUTH]]]]
 /obj/item/organ/cyberimp/mouth

code/modules/surgery/purge_corruption.dm

@@ -4,7 +4,7 @@ Has a version for organic people and robotic/synthetic ones, considering robotic
 */
 /datum/surgery/purge_corruption
 	name = "Purge corruption"
-	desc = "A highly complex and time-consuming surgery used to purge any corruption currently present in a robotic organism. Will knock the target out for an amount of time proportional to corruption purged."
+	desc = "A highly complex and time-consuming surgery used to purge any corruption currently present in a robot. Will knock out the patient for an amount of time proportional to corruption purged."
 	steps = list(
 			/datum/surgery_step/incise,
 			/datum/surgery_step/retract_skin,
@@ -16,7 +16,8 @@ Has a version for organic people and robotic/synthetic ones, considering robotic
 			/datum/surgery_step/override_safeties,
 			/datum/surgery_step/remove_corruption,
 			/datum/surgery_step/close)
-	location = BODY_ZONE_HEAD
+	possible_locs = list(BODY_ZONE_HEAD)
+	target_mobtypes = list(/mob/living/carbon/human, /mob/living/carbon/monkey) //If admins made a monkey into a robotic supersoldier or something.
 
 /datum/surgery/purge_corruption/robotic
 	requires_bodypart_type = BODYPART_ROBOTIC
@@ -32,7 +33,8 @@ Has a version for organic people and robotic/synthetic ones, considering robotic
 			/datum/surgery_step/mechanic_close)
 
 /datum/surgery/purge_corruption/can_start(mob/user, mob/living/carbon/target, obj/item/tool)
-	if(!(. = ..()))
+	. = ..()
+	if(!.)
 		return
 	var/obj/item/organ/brain/B = target.getorganslot(ORGAN_SLOT_BRAIN)
 	if(!B || !HAS_TRAIT(target, TRAIT_ROBOTIC_ORGANISM))
@@ -44,19 +46,19 @@ Has a version for organic people and robotic/synthetic ones, considering robotic
 	time = 50
 
 /datum/surgery_step/override_safeties/preop(mob/user, mob/living/carbon/target, target_zone, obj/item/tool, datum/surgery/surgery)
-	display_results(user, target, "<span class='notice'>You begin to override the safeties of [target]'s brain...</span>",
-		"[user] begins to override the hardware safeties of [target]'s brain.",
+	display_results(user, target, "<span class='notice'>You begin to override the safeties of [target]...</span>",
+		"[user] begins to override the hardware safeties of [target].",
 		"[user] begins to perform surgery on [target]'s brain.")
 
 /datum/surgery_step/override_safeties/success(mob/user, mob/living/carbon/target, target_zone, obj/item/tool, datum/surgery/surgery)
-	display_results(user, target, "<span class='notice'>You succeed in overriding the safeties of [target]'s brain.</span>",
-		"[user] successfully overrides the safeties of [target]'s posibrain!",
+	display_results(user, target, "<span class='notice'>You succeed in overriding the safeties of [target].</span>",
+		"[user] successfully overrides the safeties of [target]!",
 		"[user] completes the surgery on [target]'s brain.")
 	return TRUE
 
 /datum/surgery_step/override_safeties/failure(mob/user, mob/living/carbon/target, target_zone, obj/item/tool, datum/surgery/surgery)
-	display_results(user, target, "<span class='notice'>You fail overriding the safeties of [target]'s brain.</span>",
-		"[user] fails overriding the safeties of [target]'s brain!",
+	display_results(user, target, "<span class='notice'>You fail overriding the safeties of [target].</span>",
+		"[user] fails overriding the safeties of [target]",
 		"[user] completes the surgery on [target]'s brain.")
 	return FALSE