also added kill-once objectives

code/datums/mind.dm

@@ -458,6 +458,7 @@
 
 			var/list/allowed_types = list(
 				/datum/objective/assassinate,
+				/datum/objective/assassinate/once,
 				/datum/objective/maroon,
 				/datum/objective/debrain,
 				/datum/objective/protect,

code/game/gamemodes/objective.dm

@@ -173,6 +173,30 @@ GLOBAL_LIST_EMPTY(objectives)
 /datum/objective/assassinate/admin_edit(mob/admin)
 	admin_simple_target_pick(admin)
 
+/datum/objective/assassinate/once
+	name = "kill once"
+	var/won = FALSE
+
+/datum/objective/assassinate/once/update_explanation_text()
+	..()
+	if(target && target.current)
+		explanation_text = "Kill [target.name], the [!target_role_type ? target.assigned_role : target.special_role]. You only need to kill [target.p_them()] once; if they come back, you've still succeeded."
+	else
+		explanation_text = "Free Objective"
+
+/datum/objective/assassinate/once/find_target_by_role()
+	. = ..()
+	if(.)
+		START_PROCESSING(SSprocessing,src)
+
+/datum/objective/assassinate/once/check_completion()
+	return won || ..()
+
+/datum/objective/assassinate/once/process()
+	won = check_completion()
+	if(won)
+		STOP_PROCESSING(SSprocessing,src)
+
 /datum/objective/assassinate/internal
 	var/stolen = 0 		//Have we already eliminated this target?
 

code/modules/antagonists/ninja/ninja.dm

@@ -62,10 +62,10 @@
 				possible_targets.Cut(index,index+1)
 
 				if(is_bad_guy ^ helping_station)			//kill (good-ninja + bad-guy or bad-ninja + good-guy)
-					var/datum/objective/assassinate/O = new /datum/objective/assassinate()
+					var/datum/objective/assassinate/once/O = new /datum/objective/assassinate()
 					O.owner = owner
 					O.target = M
-					O.explanation_text = "Slay \the [M.current.real_name], the [M.assigned_role]."
+					O.explanation_text = "Slay \the [M.current.real_name], the [M.assigned_role]. You may let [M.p_they()] live, if they come back from death."
 					objectives += O
 				else										//protect
 					var/datum/objective/protect/O = new /datum/objective/protect()

code/modules/antagonists/traitor/datum_traitor.dm

@@ -191,28 +191,33 @@
 			maroon_objective.owner = owner
 			maroon_objective.find_target()
 			add_objective(maroon_objective)
-		else
+		else if(prob(30))
 			var/datum/objective/assassinate/kill_objective = new
 			kill_objective.owner = owner
 			kill_objective.find_target()
 			add_objective(kill_objective)
+		else
+			var/datum/objective/assassinate/once/kill_objective = new
+			kill_objective.owner = owner
+			kill_objective.find_target()
+			add_objective(kill_objective)
 	else
 		if(prob(15) && !(locate(/datum/objective/download) in objectives) && !(owner.assigned_role in list("Research Director", "Scientist", "Roboticist")))
 			var/datum/objective/download/download_objective = new
 			download_objective.owner = owner
 			download_objective.gen_amount_goal()
 			add_objective(download_objective)
-		else if(prob(40))
+		else if(prob(33)) // cum. not counting download: 33%. yes, i do know 33/33 won't be equal and that i want 33/50 for that
 			var/datum/objective/steal/steal_objective = new
 			steal_objective.owner = owner
 			steal_objective.find_target()
 			add_objective(steal_objective)
-		else if(prob(40))
+		else if(prob(33)) // cum. not counting download: 22.11%
 			var/datum/objective/sabotage/sabotage_objective = new
 			sabotage_objective.owner = owner
 			sabotage_objective.find_target()
 			add_objective(sabotage_objective)
-		else
+		else  // cum. not counting download: 44.89%
 			var/datum/objective/flavor/traitor/flavor_objective = new
 			flavor_objective.owner = owner
 			flavor_objective.forge_objective()